70628020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 151619328

約数和(自身を除く): 80991308

約数列:

[1, 2, 4, 5, 10, 20, 83, 157, 166, 271, 314, 332, 415, 542, 628, 785, 830, 1084, 1355, 1570, 1660, 2710, 3140, 5420, 13031, 22493, 26062, 42547, 44986, 52124, 65155, 85094, 89972, 112465, 130310, 170188, 212735, 224930, 260620, 425470, 449860, 850940, 3531401, 7062802, 14125604, 17657005, 35314010, 70628020]

約数ペア:

[(1, 70628020), (2, 35314010), (4, 17657005), (5, 14125604), (10, 7062802), (20, 3531401), (83, 850940), (157, 449860), (166, 425470), (271, 260620), (314, 224930), (332, 212735), (415, 170188), (542, 130310), (628, 112465), (785, 89972), (830, 85094), (1084, 65155), (1355, 52124), (1570, 44986), (1660, 42547), (2710, 26062), (3140, 22493), (5420, 13031)]