389936300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{299951}}^1$

素因数の和:299978

約数の個数: 36

約数和(自身を含む): 911254176

約数和(自身を除く): 521317876

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 299951, 599902, 1199804, 1499755, 2999510, 3899363, 5999020, 7498775, 7798726, 14997550, 15597452, 19496815, 29995100, 38993630, 77987260, 97484075, 194968150, 389936300]

約数ペア:

[(1, 389936300), (2, 194968150), (4, 97484075), (5, 77987260), (10, 38993630), (13, 29995100), (20, 19496815), (25, 15597452), (26, 14997550), (50, 7798726), (52, 7498775), (65, 5999020), (100, 3899363), (130, 2999510), (260, 1499755), (325, 1199804), (650, 599902), (1300, 299951)]