218615820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{16339}}^1$

素因数の和:16574

約数の個数: 48

約数和(自身を含む): 614906880

約数和(自身を除く): 396291060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 2230, 2676, 3345, 4460, 6690, 13380, 16339, 32678, 49017, 65356, 81695, 98034, 163390, 196068, 245085, 326780, 490170, 980340, 3643597, 7287194, 10930791, 14574388, 18217985, 21861582, 36435970, 43723164, 54653955, 72871940, 109307910, 218615820]

約数ペア:

[(1, 218615820), (2, 109307910), (3, 72871940), (4, 54653955), (5, 43723164), (6, 36435970), (10, 21861582), (12, 18217985), (15, 14574388), (20, 10930791), (30, 7287194), (60, 3643597), (223, 980340), (446, 490170), (669, 326780), (892, 245085), (1115, 196068), (1338, 163390), (2230, 98034), (2676, 81695), (3345, 65356), (4460, 49017), (6690, 32678), (13380, 16339)]