83970140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{246971}}^1$

素因数の和:246997

約数の個数: 24

約数和(自身を含む): 186710832

約数和(自身を除く): 102740692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 246971, 493942, 987884, 1234855, 2469710, 4198507, 4939420, 8397014, 16794028, 20992535, 41985070, 83970140]

約数ペア:

[(1, 83970140), (2, 41985070), (4, 20992535), (5, 16794028), (10, 8397014), (17, 4939420), (20, 4198507), (34, 2469710), (68, 1234855), (85, 987884), (170, 493942), (340, 246971)]