389624020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67409}}^1$

素因数の和:67452

約数の個数: 36

約数和(自身を含む): 869184540

約数和(自身を除く): 479560520

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 67409, 134818, 269636, 337045, 674090, 1145953, 1348180, 2291906, 4583812, 5729765, 11459530, 19481201, 22919060, 38962402, 77924804, 97406005, 194812010, 389624020]

約数ペア:

[(1, 389624020), (2, 194812010), (4, 97406005), (5, 77924804), (10, 38962402), (17, 22919060), (20, 19481201), (34, 11459530), (68, 5729765), (85, 4583812), (170, 2291906), (289, 1348180), (340, 1145953), (578, 674090), (1156, 337045), (1445, 269636), (2890, 134818), (5780, 67409)]