209600140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{36263}}^1$

素因数の和:36306

約数の個数: 36

約数和(自身を含む): 467588016

約数和(自身を除く): 257987876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 36263, 72526, 145052, 181315, 362630, 616471, 725260, 1232942, 2465884, 3082355, 6164710, 10480007, 12329420, 20960014, 41920028, 52400035, 104800070, 209600140]

約数ペア:

[(1, 209600140), (2, 104800070), (4, 52400035), (5, 41920028), (10, 20960014), (17, 12329420), (20, 10480007), (34, 6164710), (68, 3082355), (85, 2465884), (170, 1232942), (289, 725260), (340, 616471), (578, 362630), (1156, 181315), (1445, 145052), (2890, 72526), (5780, 36263)]