202378280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389189}}^1$

素因数の和:389213

約数の個数: 32

約数和(自身を含む): 490379400

約数和(自身を除く): 288001120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 389189, 778378, 1556756, 1945945, 3113512, 3891890, 5059457, 7783780, 10118914, 15567560, 20237828, 25297285, 40475656, 50594570, 101189140, 202378280]

約数ペア:

[(1, 202378280), (2, 101189140), (4, 50594570), (5, 40475656), (8, 25297285), (10, 20237828), (13, 15567560), (20, 10118914), (26, 7783780), (40, 5059457), (52, 3891890), (65, 3113512), (104, 1945945), (130, 1556756), (260, 778378), (520, 389189)]