29991400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8821}}^1$

素因数の和:8854

約数の個数: 48

約数和(自身を含む): 73840140

約数和(自身を除く): 43848740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 8821, 17642, 35284, 44105, 70568, 88210, 149957, 176420, 220525, 299914, 352840, 441050, 599828, 749785, 882100, 1199656, 1499570, 1764200, 2999140, 3748925, 5998280, 7497850, 14995700, 29991400]

約数ペア:

[(1, 29991400), (2, 14995700), (4, 7497850), (5, 5998280), (8, 3748925), (10, 2999140), (17, 1764200), (20, 1499570), (25, 1199656), (34, 882100), (40, 749785), (50, 599828), (68, 441050), (85, 352840), (100, 299914), (136, 220525), (170, 176420), (200, 149957), (340, 88210), (425, 70568), (680, 44105), (850, 35284), (1700, 17642), (3400, 8821)]