121973980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{358747}}^1$

素因数の和:358773

約数の個数: 24

約数和(自身を含む): 271213488

約数和(自身を除く): 149239508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 358747, 717494, 1434988, 1793735, 3587470, 6098699, 7174940, 12197398, 24394796, 30493495, 60986990, 121973980]

約数ペア:

[(1, 121973980), (2, 60986990), (4, 30493495), (5, 24394796), (10, 12197398), (17, 7174940), (20, 6098699), (34, 3587470), (68, 1793735), (85, 1434988), (170, 717494), (340, 358747)]