299998100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{69767}}^1$

素因数の和:69824

約数の個数: 36

約数和(自身を含む): 666144864

約数和(自身を除く): 366146764

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 69767, 139534, 279068, 348835, 697670, 1395340, 1744175, 2999981, 3488350, 5999962, 6976700, 11999924, 14999905, 29999810, 59999620, 74999525, 149999050, 299998100]

約数ペア:

[(1, 299998100), (2, 149999050), (4, 74999525), (5, 59999620), (10, 29999810), (20, 14999905), (25, 11999924), (43, 6976700), (50, 5999962), (86, 3488350), (100, 2999981), (172, 1744175), (215, 1395340), (430, 697670), (860, 348835), (1075, 279068), (2150, 139534), (4300, 69767)]