205863280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367613}}^1$

素因数の和:367633

約数の個数: 40

約数和(自身を含む): 547009632

約数和(自身を除く): 341146352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 367613, 735226, 1470452, 1838065, 2573291, 2940904, 3676130, 5146582, 5881808, 7352260, 10293164, 12866455, 14704520, 20586328, 25732910, 29409040, 41172656, 51465820, 102931640, 205863280]

約数ペア:

[(1, 205863280), (2, 102931640), (4, 51465820), (5, 41172656), (7, 29409040), (8, 25732910), (10, 20586328), (14, 14704520), (16, 12866455), (20, 10293164), (28, 7352260), (35, 5881808), (40, 5146582), (56, 3676130), (70, 2940904), (80, 2573291), (112, 1838065), (140, 1470452), (280, 735226), (560, 367613)]