2047470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 4959360

約数和(自身を除く): 2911890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 491, 695, 834, 982, 1390, 1473, 2085, 2455, 2946, 4170, 4910, 7365, 14730, 68249, 136498, 204747, 341245, 409494, 682490, 1023735, 2047470]

約数ペア:

[(1, 2047470), (2, 1023735), (3, 682490), (5, 409494), (6, 341245), (10, 204747), (15, 136498), (30, 68249), (139, 14730), (278, 7365), (417, 4910), (491, 4170), (695, 2946), (834, 2455), (982, 2085), (1390, 1473)]