289318120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 814947840

約数和(自身を除く): 525629720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 122, 130, 140, 182, 244, 260, 280, 305, 364, 427, 455, 488, 520, 610, 728, 793, 854, 910, 1220, 1303, 1586, 1708, 1820, 2135, 2440, 2606, 3172, 3416, 3640, 3965, 4270, 5212, 5551, 6344, 6515, 7930, 8540, 9121, 10424, 11102, 13030, 15860, 16939, 17080, 18242, 22204, 26060, 27755, 31720, 33878, 36484, 44408, 45605, 52120, 55510, 67756, 72968, 79483, 84695, 91210, 111020, 118573, 135512, 158966, 169390, 182420, 222040, 237146, 317932, 338780, 364840, 397415, 474292, 556381, 592865, 635864, 677560, 794830, 948584, 1033279, 1112762, 1185730, 1589660, 2066558, 2225524, 2371460, 2781905, 3179320, 4133116, 4451048, 4742920, 5166395, 5563810, 7232953, 8266232, 10332790, 11127620, 14465906, 20665580, 22255240, 28931812, 36164765, 41331160, 57863624, 72329530, 144659060, 289318120]

約数ペア:

[(1, 289318120), (2, 144659060), (4, 72329530), (5, 57863624), (7, 41331160), (8, 36164765), (10, 28931812), (13, 22255240), (14, 20665580), (20, 14465906), (26, 11127620), (28, 10332790), (35, 8266232), (40, 7232953), (52, 5563810), (56, 5166395), (61, 4742920), (65, 4451048), (70, 4133116), (91, 3179320), (104, 2781905), (122, 2371460), (130, 2225524), (140, 2066558), (182, 1589660), (244, 1185730), (260, 1112762), (280, 1033279), (305, 948584), (364, 794830), (427, 677560), (455, 635864), (488, 592865), (520, 556381), (610, 474292), (728, 397415), (793, 364840), (854, 338780), (910, 317932), (1220, 237146), (1303, 222040), (1586, 182420), (1708, 169390), (1820, 158966), (2135, 135512), (2440, 118573), (2606, 111020), (3172, 91210), (3416, 84695), (3640, 79483), (3965, 72968), (4270, 67756), (5212, 55510), (5551, 52120), (6344, 45605), (6515, 44408), (7930, 36484), (8540, 33878), (9121, 31720), (10424, 27755), (11102, 26060), (13030, 22204), (15860, 18242), (16939, 17080)]