209946880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 288

約数和(自身を含む): 626347008

約数和(自身を除く): 416400128

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 37, 40, 44, 52, 55, 62, 64, 65, 74, 80, 88, 104, 110, 124, 128, 130, 143, 148, 155, 160, 176, 185, 208, 220, 248, 256, 260, 286, 296, 310, 320, 341, 352, 370, 403, 407, 416, 440, 481, 496, 520, 572, 592, 620, 640, 682, 704, 715, 740, 806, 814, 832, 880, 962, 992, 1040, 1144, 1147, 1184, 1240, 1280, 1364, 1408, 1430, 1480, 1612, 1628, 1664, 1705, 1760, 1924, 1984, 2015, 2035, 2080, 2288, 2294, 2368, 2405, 2480, 2728, 2816, 2860, 2960, 3224, 3256, 3328, 3410, 3520, 3848, 3968, 4030, 4070, 4160, 4433, 4576, 4588, 4736, 4810, 4960, 5291, 5456, 5720, 5735, 5920, 6448, 6512, 6820, 7040, 7696, 7936, 8060, 8140, 8320, 8866, 9152, 9176, 9472, 9620, 9920, 10582, 10912, 11440, 11470, 11840, 12617, 12896, 13024, 13640, 14080, 14911, 15392, 16120, 16280, 16640, 17732, 18304, 18352, 19240, 19840, 21164, 21824, 22165, 22880, 22940, 23680, 25234, 25792, 26048, 26455, 27280, 29822, 30784, 32240, 32560, 35464, 36608, 36704, 38480, 39680, 42328, 43648, 44330, 45760, 45880, 47360, 50468, 51584, 52096, 52910, 54560, 59644, 61568, 63085, 64480, 65120, 70928, 73408, 74555, 76960, 84656, 87296, 88660, 91520, 91760, 100936, 103168, 104192, 105820, 109120, 119288, 123136, 126170, 128960, 130240, 141856, 146816, 149110, 153920, 164021, 169312, 177320, 183040, 183520, 201872, 211640, 218240, 238576, 252340, 257920, 260480, 283712, 293632, 298220, 307840, 328042, 338624, 354640, 367040, 403744, 423280, 436480, 477152, 504680, 515840, 520960, 567424, 596440, 615680, 656084, 677248, 709280, 734080, 807488, 820105, 846560, 954304, 1009360, 1134848, 1192880, 1312168, 1354496, 1418560, 1468160, 1614976, 1640210, 1693120, 1908608, 2018720, 2385760, 2624336, 2837120, 3229952, 3280420, 3386240, 3817216, 4037440, 4771520, 5248672, 5674240, 6560840, 6772480, 8074880, 9543040, 10497344, 13121680, 16149760, 19086080, 20994688, 26243360, 41989376, 52486720, 104973440, 209946880]

約数ペア:

[(1, 209946880), (2, 104973440), (4, 52486720), (5, 41989376), (8, 26243360), (10, 20994688), (11, 19086080), (13, 16149760), (16, 13121680), (20, 10497344), (22, 9543040), (26, 8074880), (31, 6772480), (32, 6560840), (37, 5674240), (40, 5248672), (44, 4771520), (52, 4037440), (55, 3817216), (62, 3386240), (64, 3280420), (65, 3229952), (74, 2837120), (80, 2624336), (88, 2385760), (104, 2018720), (110, 1908608), (124, 1693120), (128, 1640210), (130, 1614976), (143, 1468160), (148, 1418560), (155, 1354496), (160, 1312168), (176, 1192880), (185, 1134848), (208, 1009360), (220, 954304), (248, 846560), (256, 820105), (260, 807488), (286, 734080), (296, 709280), (310, 677248), (320, 656084), (341, 615680), (352, 596440), (370, 567424), (403, 520960), (407, 515840), (416, 504680), (440, 477152), (481, 436480), (496, 423280), (520, 403744), (572, 367040), (592, 354640), (620, 338624), (640, 328042), (682, 307840), (704, 298220), (715, 293632), (740, 283712), (806, 260480), (814, 257920), (832, 252340), (880, 238576), (962, 218240), (992, 211640), (1040, 201872), (1144, 183520), (1147, 183040), (1184, 177320), (1240, 169312), (1280, 164021), (1364, 153920), (1408, 149110), (1430, 146816), (1480, 141856), (1612, 130240), (1628, 128960), (1664, 126170), (1705, 123136), (1760, 119288), (1924, 109120), (1984, 105820), (2015, 104192), (2035, 103168), (2080, 100936), (2288, 91760), (2294, 91520), (2368, 88660), (2405, 87296), (2480, 84656), (2728, 76960), (2816, 74555), (2860, 73408), (2960, 70928), (3224, 65120), (3256, 64480), (3328, 63085), (3410, 61568), (3520, 59644), (3848, 54560), (3968, 52910), (4030, 52096), (4070, 51584), (4160, 50468), (4433, 47360), (4576, 45880), (4588, 45760), (4736, 44330), (4810, 43648), (4960, 42328), (5291, 39680), (5456, 38480), (5720, 36704), (5735, 36608), (5920, 35464), (6448, 32560), (6512, 32240), (6820, 30784), (7040, 29822), (7696, 27280), (7936, 26455), (8060, 26048), (8140, 25792), (8320, 25234), (8866, 23680), (9152, 22940), (9176, 22880), (9472, 22165), (9620, 21824), (9920, 21164), (10582, 19840), (10912, 19240), (11440, 18352), (11470, 18304), (11840, 17732), (12617, 16640), (12896, 16280), (13024, 16120), (13640, 15392), (14080, 14911)]