285401840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 677340576

約数和(自身を除く): 391938736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 131, 226, 241, 262, 452, 482, 524, 565, 655, 904, 964, 1048, 1130, 1205, 1310, 1808, 1928, 2096, 2260, 2410, 2620, 3856, 4520, 4820, 5240, 9040, 9640, 10480, 14803, 19280, 27233, 29606, 31571, 54466, 59212, 63142, 74015, 108932, 118424, 126284, 136165, 148030, 157855, 217864, 236848, 252568, 272330, 296060, 315710, 435728, 505136, 544660, 592120, 631420, 1089320, 1184240, 1262840, 2178640, 2525680, 3567523, 7135046, 14270092, 17837615, 28540184, 35675230, 57080368, 71350460, 142700920, 285401840]

約数ペア:

[(1, 285401840), (2, 142700920), (4, 71350460), (5, 57080368), (8, 35675230), (10, 28540184), (16, 17837615), (20, 14270092), (40, 7135046), (80, 3567523), (113, 2525680), (131, 2178640), (226, 1262840), (241, 1184240), (262, 1089320), (452, 631420), (482, 592120), (524, 544660), (565, 505136), (655, 435728), (904, 315710), (964, 296060), (1048, 272330), (1130, 252568), (1205, 236848), (1310, 217864), (1808, 157855), (1928, 148030), (2096, 136165), (2260, 126284), (2410, 118424), (2620, 108932), (3856, 74015), (4520, 63142), (4820, 59212), (5240, 54466), (9040, 31571), (9640, 29606), (10480, 27233), (14803, 19280)]