289984240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 160

約数和(自身を含む): 844695936

約数和(自身を除く): 554711696

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 182, 208, 244, 260, 280, 305, 364, 427, 455, 488, 520, 560, 610, 653, 728, 793, 854, 910, 976, 1040, 1220, 1306, 1456, 1586, 1708, 1820, 2135, 2440, 2612, 3172, 3265, 3416, 3640, 3965, 4270, 4571, 4880, 5224, 5551, 6344, 6530, 6832, 7280, 7930, 8489, 8540, 9142, 10448, 11102, 12688, 13060, 15860, 16978, 17080, 18284, 22204, 22855, 26120, 27755, 31720, 33956, 34160, 36568, 39833, 42445, 44408, 45710, 52240, 55510, 59423, 63440, 67912, 73136, 79666, 84890, 88816, 91420, 111020, 118846, 135824, 159332, 169780, 182840, 199165, 222040, 237692, 278831, 297115, 318664, 339560, 365680, 398330, 444080, 475384, 517829, 557662, 594230, 637328, 679120, 796660, 950768, 1035658, 1115324, 1188460, 1394155, 1593320, 2071316, 2230648, 2376920, 2589145, 2788310, 3186640, 3624803, 4142632, 4461296, 4753840, 5178290, 5576620, 7249606, 8285264, 10356580, 11153240, 14499212, 18124015, 20713160, 22306480, 28998424, 36248030, 41426320, 57996848, 72496060, 144992120, 289984240]

約数ペア:

[(1, 289984240), (2, 144992120), (4, 72496060), (5, 57996848), (7, 41426320), (8, 36248030), (10, 28998424), (13, 22306480), (14, 20713160), (16, 18124015), (20, 14499212), (26, 11153240), (28, 10356580), (35, 8285264), (40, 7249606), (52, 5576620), (56, 5178290), (61, 4753840), (65, 4461296), (70, 4142632), (80, 3624803), (91, 3186640), (104, 2788310), (112, 2589145), (122, 2376920), (130, 2230648), (140, 2071316), (182, 1593320), (208, 1394155), (244, 1188460), (260, 1115324), (280, 1035658), (305, 950768), (364, 796660), (427, 679120), (455, 637328), (488, 594230), (520, 557662), (560, 517829), (610, 475384), (653, 444080), (728, 398330), (793, 365680), (854, 339560), (910, 318664), (976, 297115), (1040, 278831), (1220, 237692), (1306, 222040), (1456, 199165), (1586, 182840), (1708, 169780), (1820, 159332), (2135, 135824), (2440, 118846), (2612, 111020), (3172, 91420), (3265, 88816), (3416, 84890), (3640, 79666), (3965, 73136), (4270, 67912), (4571, 63440), (4880, 59423), (5224, 55510), (5551, 52240), (6344, 45710), (6530, 44408), (6832, 42445), (7280, 39833), (7930, 36568), (8489, 34160), (8540, 33956), (9142, 31720), (10448, 27755), (11102, 26120), (12688, 22855), (13060, 22204), (15860, 18284), (16978, 17080)]