68108140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 146694240

約数和(自身を除く): 78586100

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 461, 830, 890, 922, 1660, 1780, 1844, 2305, 4610, 7387, 9220, 14774, 29548, 36935, 38263, 41029, 73870, 76526, 82058, 147740, 153052, 164116, 191315, 205145, 382630, 410290, 765260, 820580, 3405407, 6810814, 13621628, 17027035, 34054070, 68108140]

約数ペア:

[(1, 68108140), (2, 34054070), (4, 17027035), (5, 13621628), (10, 6810814), (20, 3405407), (83, 820580), (89, 765260), (166, 410290), (178, 382630), (332, 205145), (356, 191315), (415, 164116), (445, 153052), (461, 147740), (830, 82058), (890, 76526), (922, 73870), (1660, 41029), (1780, 38263), (1844, 36935), (2305, 29548), (4610, 14774), (7387, 9220)]