157416940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{6521}}^1$

素因数の和:6618

約数の個数: 48

約数和(自身を含む): 355005504

約数和(自身を除く): 197588564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 6521, 12070, 13042, 24140, 26084, 32605, 65210, 110857, 130420, 221714, 443428, 462991, 554285, 925982, 1108570, 1851964, 2217140, 2314955, 4629910, 7870847, 9259820, 15741694, 31483388, 39354235, 78708470, 157416940]

約数ペア:

[(1, 157416940), (2, 78708470), (4, 39354235), (5, 31483388), (10, 15741694), (17, 9259820), (20, 7870847), (34, 4629910), (68, 2314955), (71, 2217140), (85, 1851964), (142, 1108570), (170, 925982), (284, 554285), (340, 462991), (355, 443428), (710, 221714), (1207, 130420), (1420, 110857), (2414, 65210), (4828, 32605), (6035, 26084), (6521, 24140), (12070, 13042)]