31139020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2399}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 72576000

約数和(自身を除く): 41436980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2399, 2596, 3245, 4798, 6490, 9596, 11995, 12980, 23990, 26389, 47980, 52778, 105556, 131945, 141541, 263890, 283082, 527780, 566164, 707705, 1415410, 1556951, 2830820, 3113902, 6227804, 7784755, 15569510, 31139020]

約数ペア:

[(1, 31139020), (2, 15569510), (4, 7784755), (5, 6227804), (10, 3113902), (11, 2830820), (20, 1556951), (22, 1415410), (44, 707705), (55, 566164), (59, 527780), (110, 283082), (118, 263890), (220, 141541), (236, 131945), (295, 105556), (590, 52778), (649, 47980), (1180, 26389), (1298, 23990), (2399, 12980), (2596, 11995), (3245, 9596), (4798, 6490)]