420920110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{170413}}^1$

素因数の和:170452

約数の個数: 32

約数和(自身を含む): 858886560

約数和(自身を除く): 437966450

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 170413, 340826, 852065, 1704130, 2215369, 3237847, 4430738, 6475694, 11076845, 16189235, 22153690, 32378470, 42092011, 84184022, 210460055, 420920110]

約数ペア:

[(1, 420920110), (2, 210460055), (5, 84184022), (10, 42092011), (13, 32378470), (19, 22153690), (26, 16189235), (38, 11076845), (65, 6475694), (95, 4430738), (130, 3237847), (190, 2215369), (247, 1704130), (494, 852065), (1235, 340826), (2470, 170413)]