30481844380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{647723}}^1$

素因数の和:647926

約数の個数: 48

約数和(自身を含む): 69316831584

約数和(自身を除く): 38834987204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3620, 4706, 9412, 11765, 23530, 47060, 647723, 1295446, 2590892, 3238615, 6477230, 8420399, 12954460, 16840798, 33681596, 42101995, 84203990, 117237863, 168407980, 234475726, 468951452, 586189315, 1172378630, 1524092219, 2344757260, 3048184438, 6096368876, 7620461095, 15240922190, 30481844380]

約数ペア:

[(1, 30481844380), (2, 15240922190), (4, 7620461095), (5, 6096368876), (10, 3048184438), (13, 2344757260), (20, 1524092219), (26, 1172378630), (52, 586189315), (65, 468951452), (130, 234475726), (181, 168407980), (260, 117237863), (362, 84203990), (724, 42101995), (905, 33681596), (1810, 16840798), (2353, 12954460), (3620, 8420399), (4706, 6477230), (9412, 3238615), (11765, 2590892), (23530, 1295446), (47060, 647723)]