720122525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 959938560

約数和(自身を除く): 239816035

約数列:

[1, 5, 23, 25, 79, 83, 115, 191, 395, 415, 575, 955, 1817, 1909, 1975, 2075, 4393, 4775, 6557, 9085, 9545, 15089, 15853, 21965, 32785, 45425, 47725, 75445, 79265, 109825, 150811, 163925, 347047, 364619, 377225, 396325, 754055, 1252387, 1735235, 1823095, 3770275, 6261935, 8676175, 9115475, 28804901, 31309675, 144024505, 720122525]

約数ペア:

[(1, 720122525), (5, 144024505), (23, 31309675), (25, 28804901), (79, 9115475), (83, 8676175), (115, 6261935), (191, 3770275), (395, 1823095), (415, 1735235), (575, 1252387), (955, 754055), (1817, 396325), (1909, 377225), (1975, 364619), (2075, 347047), (4393, 163925), (4775, 150811), (6557, 109825), (9085, 79265), (9545, 75445), (15089, 47725), (15853, 45425), (21965, 32785)]