201990100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{155377}}^1$

素因数の和:155404

約数の個数: 36

約数和(自身を含む): 472038364

約数和(自身を除く): 270048264

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 155377, 310754, 621508, 776885, 1553770, 2019901, 3107540, 3884425, 4039802, 7768850, 8079604, 10099505, 15537700, 20199010, 40398020, 50497525, 100995050, 201990100]

約数ペア:

[(1, 201990100), (2, 100995050), (4, 50497525), (5, 40398020), (10, 20199010), (13, 15537700), (20, 10099505), (25, 8079604), (26, 7768850), (50, 4039802), (52, 3884425), (65, 3107540), (100, 2019901), (130, 1553770), (260, 776885), (325, 621508), (650, 310754), (1300, 155377)]