438465280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 216

約数和(自身を含む): 1223334000

約数和(自身を除く): 784868720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 121, 128, 149, 152, 160, 176, 190, 209, 220, 242, 256, 298, 304, 320, 352, 380, 418, 440, 484, 596, 605, 608, 640, 704, 745, 760, 836, 880, 968, 1045, 1192, 1210, 1216, 1280, 1408, 1490, 1520, 1639, 1672, 1760, 1936, 2090, 2299, 2384, 2420, 2432, 2816, 2831, 2980, 3040, 3278, 3344, 3520, 3872, 4180, 4598, 4768, 4840, 4864, 5662, 5960, 6080, 6556, 6688, 7040, 7744, 8195, 8360, 9196, 9536, 9680, 11324, 11495, 11920, 12160, 13112, 13376, 14080, 14155, 15488, 16390, 16720, 18029, 18392, 19072, 19360, 22648, 22990, 23840, 24320, 26224, 26752, 28310, 30976, 31141, 32780, 33440, 36058, 36784, 38144, 38720, 45296, 45980, 47680, 52448, 53504, 56620, 62282, 65560, 66880, 72116, 73568, 77440, 90145, 90592, 91960, 95360, 104896, 113240, 124564, 131120, 133760, 144232, 147136, 154880, 155705, 180290, 181184, 183920, 190720, 209792, 226480, 249128, 262240, 267520, 288464, 294272, 311410, 342551, 360580, 362368, 367840, 419584, 452960, 498256, 524480, 576928, 588544, 622820, 685102, 721160, 724736, 735680, 905920, 996512, 1048960, 1153856, 1245640, 1370204, 1442320, 1471360, 1712755, 1811840, 1993024, 2097920, 2307712, 2491280, 2740408, 2884640, 2942720, 3425510, 3623680, 3986048, 4615424, 4982560, 5480816, 5769280, 6851020, 7972096, 9965120, 10961632, 11538560, 13702040, 19930240, 21923264, 23077120, 27404080, 39860480, 43846528, 54808160, 87693056, 109616320, 219232640, 438465280]

約数ペア:

[(1, 438465280), (2, 219232640), (4, 109616320), (5, 87693056), (8, 54808160), (10, 43846528), (11, 39860480), (16, 27404080), (19, 23077120), (20, 21923264), (22, 19930240), (32, 13702040), (38, 11538560), (40, 10961632), (44, 9965120), (55, 7972096), (64, 6851020), (76, 5769280), (80, 5480816), (88, 4982560), (95, 4615424), (110, 3986048), (121, 3623680), (128, 3425510), (149, 2942720), (152, 2884640), (160, 2740408), (176, 2491280), (190, 2307712), (209, 2097920), (220, 1993024), (242, 1811840), (256, 1712755), (298, 1471360), (304, 1442320), (320, 1370204), (352, 1245640), (380, 1153856), (418, 1048960), (440, 996512), (484, 905920), (596, 735680), (605, 724736), (608, 721160), (640, 685102), (704, 622820), (745, 588544), (760, 576928), (836, 524480), (880, 498256), (968, 452960), (1045, 419584), (1192, 367840), (1210, 362368), (1216, 360580), (1280, 342551), (1408, 311410), (1490, 294272), (1520, 288464), (1639, 267520), (1672, 262240), (1760, 249128), (1936, 226480), (2090, 209792), (2299, 190720), (2384, 183920), (2420, 181184), (2432, 180290), (2816, 155705), (2831, 154880), (2980, 147136), (3040, 144232), (3278, 133760), (3344, 131120), (3520, 124564), (3872, 113240), (4180, 104896), (4598, 95360), (4768, 91960), (4840, 90592), (4864, 90145), (5662, 77440), (5960, 73568), (6080, 72116), (6556, 66880), (6688, 65560), (7040, 62282), (7744, 56620), (8195, 53504), (8360, 52448), (9196, 47680), (9536, 45980), (9680, 45296), (11324, 38720), (11495, 38144), (11920, 36784), (12160, 36058), (13112, 33440), (13376, 32780), (14080, 31141), (14155, 30976), (15488, 28310), (16390, 26752), (16720, 26224), (18029, 24320), (18392, 23840), (19072, 22990), (19360, 22648)]