4094940

素因数分解:

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

素因数の和:642

約数の個数: 48

約数和(自身を含む): 11571840

約数和(自身を除く): 7476900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 491, 556, 695, 834, 982, 1390, 1473, 1668, 1964, 2085, 2455, 2780, 2946, 4170, 4910, 5892, 7365, 8340, 9820, 14730, 29460, 68249, 136498, 204747, 272996, 341245, 409494, 682490, 818988, 1023735, 1364980, 2047470, 4094940]

約数ペア:

[(1, 4094940), (2, 2047470), (3, 1364980), (4, 1023735), (5, 818988), (6, 682490), (10, 409494), (12, 341245), (15, 272996), (20, 204747), (30, 136498), (60, 68249), (139, 29460), (278, 14730), (417, 9820), (491, 8340), (556, 7365), (695, 5892), (834, 4910), (982, 4170), (1390, 2946), (1473, 2780), (1668, 2455), (1964, 2085)]