289111580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{739}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 628561920

約数和(自身を除く): 339450340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 631, 739, 1262, 1478, 2524, 2956, 3155, 3695, 6310, 7390, 12620, 14780, 19561, 22909, 39122, 45818, 78244, 91636, 97805, 114545, 195610, 229090, 391220, 458180, 466309, 932618, 1865236, 2331545, 4663090, 9326180, 14455579, 28911158, 57822316, 72277895, 144555790, 289111580]

約数ペア:

[(1, 289111580), (2, 144555790), (4, 72277895), (5, 57822316), (10, 28911158), (20, 14455579), (31, 9326180), (62, 4663090), (124, 2331545), (155, 1865236), (310, 932618), (620, 466309), (631, 458180), (739, 391220), (1262, 229090), (1478, 195610), (2524, 114545), (2956, 97805), (3155, 91636), (3695, 78244), (6310, 45818), (7390, 39122), (12620, 22909), (14780, 19561)]