408456490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{165367}}^1$

素因数の和:165406

約数の個数: 32

約数和(自身を含む): 833454720

約数和(自身を除く): 424998230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 165367, 330734, 826835, 1653670, 2149771, 3141973, 4299542, 6283946, 10748855, 15709865, 21497710, 31419730, 40845649, 81691298, 204228245, 408456490]

約数ペア:

[(1, 408456490), (2, 204228245), (5, 81691298), (10, 40845649), (13, 31419730), (19, 21497710), (26, 15709865), (38, 10748855), (65, 6283946), (95, 4299542), (130, 3141973), (190, 2149771), (247, 1653670), (494, 826835), (1235, 330734), (2470, 165367)]