640503430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3001}}^1\times {\mathrm{3049}}^1$

素因数の和:6064

約数の個数: 32

約数和(自身を含む): 1318478400

約数和(自身を除く): 677974970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3001, 3049, 6002, 6098, 15005, 15245, 21007, 21343, 30010, 30490, 42014, 42686, 105035, 106715, 210070, 213430, 9150049, 18300098, 45750245, 64050343, 91500490, 128100686, 320251715, 640503430]

約数ペア:

[(1, 640503430), (2, 320251715), (5, 128100686), (7, 91500490), (10, 64050343), (14, 45750245), (35, 18300098), (70, 9150049), (3001, 213430), (3049, 210070), (6002, 106715), (6098, 105035), (15005, 42686), (15245, 42014), (21007, 30490), (21343, 30010)]