68897180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7283}}^1$

素因数の和:7346

約数の個数: 48

約数和(自身を含む): 161529984

約数和(自身を除く): 92632804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 7283, 9460, 14566, 29132, 36415, 72830, 80113, 145660, 160226, 313169, 320452, 400565, 626338, 801130, 1252676, 1565845, 1602260, 3131690, 3444859, 6263380, 6889718, 13779436, 17224295, 34448590, 68897180]

約数ペア:

[(1, 68897180), (2, 34448590), (4, 17224295), (5, 13779436), (10, 6889718), (11, 6263380), (20, 3444859), (22, 3131690), (43, 1602260), (44, 1565845), (55, 1252676), (86, 801130), (110, 626338), (172, 400565), (215, 320452), (220, 313169), (430, 160226), (473, 145660), (860, 80113), (946, 72830), (1892, 36415), (2365, 29132), (4730, 14566), (7283, 9460)]