249203420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{3557}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 545142528

約数和(自身を除く): 295939108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 2260, 3503, 3557, 7006, 7114, 14012, 14228, 17515, 17785, 35030, 35570, 70060, 71140, 110267, 220534, 401941, 441068, 551335, 803882, 1102670, 1607764, 2009705, 2205340, 4019410, 8038820, 12460171, 24920342, 49840684, 62300855, 124601710, 249203420]

約数ペア:

[(1, 249203420), (2, 124601710), (4, 62300855), (5, 49840684), (10, 24920342), (20, 12460171), (31, 8038820), (62, 4019410), (113, 2205340), (124, 2009705), (155, 1607764), (226, 1102670), (310, 803882), (452, 551335), (565, 441068), (620, 401941), (1130, 220534), (2260, 110267), (3503, 71140), (3557, 70060), (7006, 35570), (7114, 35030), (14012, 17785), (14228, 17515)]