31036120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 74440800

約数和(自身を除く): 43404680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 421, 485, 760, 776, 842, 970, 1684, 1843, 1940, 2105, 3368, 3686, 3880, 4210, 7372, 7999, 8420, 9215, 14744, 15998, 16840, 18430, 31996, 36860, 39995, 40837, 63992, 73720, 79990, 81674, 159980, 163348, 204185, 319960, 326696, 408370, 775903, 816740, 1551806, 1633480, 3103612, 3879515, 6207224, 7759030, 15518060, 31036120]

約数ペア:

[(1, 31036120), (2, 15518060), (4, 7759030), (5, 6207224), (8, 3879515), (10, 3103612), (19, 1633480), (20, 1551806), (38, 816740), (40, 775903), (76, 408370), (95, 326696), (97, 319960), (152, 204185), (190, 163348), (194, 159980), (380, 81674), (388, 79990), (421, 73720), (485, 63992), (760, 40837), (776, 39995), (842, 36860), (970, 31996), (1684, 18430), (1843, 16840), (1940, 15998), (2105, 14744), (3368, 9215), (3686, 8420), (3880, 7999), (4210, 7372)]