2154428260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{2459}}^1$

素因数の和:3156

約数の個数: 48

約数和(自身を含む): 4597326720

約数和(自身を除く): 2442898460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 617, 710, 1234, 1420, 2459, 2468, 3085, 4918, 6170, 9836, 12295, 12340, 24590, 43807, 49180, 87614, 174589, 175228, 219035, 349178, 438070, 698356, 872945, 876140, 1517203, 1745890, 3034406, 3491780, 6068812, 7586015, 15172030, 30344060, 107721413, 215442826, 430885652, 538607065, 1077214130, 2154428260]

約数ペア:

[(1, 2154428260), (2, 1077214130), (4, 538607065), (5, 430885652), (10, 215442826), (20, 107721413), (71, 30344060), (142, 15172030), (284, 7586015), (355, 6068812), (617, 3491780), (710, 3034406), (1234, 1745890), (1420, 1517203), (2459, 876140), (2468, 872945), (3085, 698356), (4918, 438070), (6170, 349178), (9836, 219035), (12295, 175228), (12340, 174589), (24590, 87614), (43807, 49180)]