208432840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 256

約数和(自身を含む): 630374400

約数和(自身を除く): 421941560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 37, 40, 44, 55, 56, 59, 62, 70, 74, 77, 88, 110, 118, 124, 140, 148, 154, 155, 185, 217, 220, 236, 248, 259, 280, 295, 296, 308, 310, 341, 370, 385, 407, 413, 434, 440, 472, 518, 590, 616, 620, 649, 682, 740, 770, 814, 826, 868, 1036, 1085, 1147, 1180, 1240, 1295, 1298, 1364, 1480, 1540, 1628, 1652, 1705, 1736, 1829, 2035, 2065, 2072, 2170, 2183, 2294, 2360, 2387, 2590, 2596, 2728, 2849, 3080, 3245, 3256, 3304, 3410, 3658, 4070, 4130, 4340, 4366, 4543, 4588, 4774, 5180, 5192, 5698, 5735, 6490, 6820, 7316, 8029, 8140, 8260, 8680, 8732, 9086, 9145, 9176, 9548, 10360, 10915, 11396, 11470, 11935, 12617, 12803, 12980, 13640, 14245, 14632, 15281, 16058, 16280, 16520, 17464, 18172, 18290, 19096, 20119, 21830, 22715, 22792, 22940, 23870, 24013, 25234, 25606, 25960, 28490, 30562, 32116, 36344, 36580, 40145, 40238, 43660, 45430, 45880, 47740, 48026, 50468, 51212, 56980, 61124, 63085, 64015, 64232, 67673, 73160, 76405, 80290, 80476, 87320, 88319, 90860, 95480, 96052, 100595, 100936, 102424, 113960, 120065, 122248, 126170, 128030, 135346, 140833, 152810, 160580, 160952, 168091, 176638, 181720, 192104, 201190, 240130, 252340, 256060, 270692, 281666, 305620, 321160, 336182, 338365, 353276, 402380, 441595, 473711, 480260, 504680, 512120, 541384, 563332, 611240, 672364, 676730, 704165, 706552, 744403, 804760, 840455, 883190, 947422, 960520, 1126664, 1344728, 1353460, 1408330, 1488806, 1680910, 1766380, 1894844, 2368555, 2706920, 2816660, 2977612, 3361820, 3532760, 3722015, 3789688, 4737110, 5210821, 5633320, 5955224, 6723640, 7444030, 9474220, 10421642, 14888060, 18948440, 20843284, 26054105, 29776120, 41686568, 52108210, 104216420, 208432840]

約数ペア:

[(1, 208432840), (2, 104216420), (4, 52108210), (5, 41686568), (7, 29776120), (8, 26054105), (10, 20843284), (11, 18948440), (14, 14888060), (20, 10421642), (22, 9474220), (28, 7444030), (31, 6723640), (35, 5955224), (37, 5633320), (40, 5210821), (44, 4737110), (55, 3789688), (56, 3722015), (59, 3532760), (62, 3361820), (70, 2977612), (74, 2816660), (77, 2706920), (88, 2368555), (110, 1894844), (118, 1766380), (124, 1680910), (140, 1488806), (148, 1408330), (154, 1353460), (155, 1344728), (185, 1126664), (217, 960520), (220, 947422), (236, 883190), (248, 840455), (259, 804760), (280, 744403), (295, 706552), (296, 704165), (308, 676730), (310, 672364), (341, 611240), (370, 563332), (385, 541384), (407, 512120), (413, 504680), (434, 480260), (440, 473711), (472, 441595), (518, 402380), (590, 353276), (616, 338365), (620, 336182), (649, 321160), (682, 305620), (740, 281666), (770, 270692), (814, 256060), (826, 252340), (868, 240130), (1036, 201190), (1085, 192104), (1147, 181720), (1180, 176638), (1240, 168091), (1295, 160952), (1298, 160580), (1364, 152810), (1480, 140833), (1540, 135346), (1628, 128030), (1652, 126170), (1705, 122248), (1736, 120065), (1829, 113960), (2035, 102424), (2065, 100936), (2072, 100595), (2170, 96052), (2183, 95480), (2294, 90860), (2360, 88319), (2387, 87320), (2590, 80476), (2596, 80290), (2728, 76405), (2849, 73160), (3080, 67673), (3245, 64232), (3256, 64015), (3304, 63085), (3410, 61124), (3658, 56980), (4070, 51212), (4130, 50468), (4340, 48026), (4366, 47740), (4543, 45880), (4588, 45430), (4774, 43660), (5180, 40238), (5192, 40145), (5698, 36580), (5735, 36344), (6490, 32116), (6820, 30562), (7316, 28490), (8029, 25960), (8140, 25606), (8260, 25234), (8680, 24013), (8732, 23870), (9086, 22940), (9145, 22792), (9176, 22715), (9548, 21830), (10360, 20119), (10915, 19096), (11396, 18290), (11470, 18172), (11935, 17464), (12617, 16520), (12803, 16280), (12980, 16058), (13640, 15281), (14245, 14632)]