30501380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16759}}^1$

素因数の和:16788

約数の個数: 48

約数和(自身を含む): 78839040

約数和(自身を除く): 48337660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16759, 33518, 67036, 83795, 117313, 167590, 217867, 234626, 335180, 435734, 469252, 586565, 871468, 1089335, 1173130, 1525069, 2178670, 2346260, 3050138, 4357340, 6100276, 7625345, 15250690, 30501380]

約数ペア:

[(1, 30501380), (2, 15250690), (4, 7625345), (5, 6100276), (7, 4357340), (10, 3050138), (13, 2346260), (14, 2178670), (20, 1525069), (26, 1173130), (28, 1089335), (35, 871468), (52, 586565), (65, 469252), (70, 435734), (91, 335180), (130, 234626), (140, 217867), (182, 167590), (260, 117313), (364, 83795), (455, 67036), (910, 33518), (1820, 16759)]