87817380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209089}}^1$

素因数の和:209108

約数の個数: 48

約数和(自身を含む): 281016960

約数和(自身を除く): 193199580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209089, 418178, 627267, 836356, 1045445, 1254534, 1463623, 2090890, 2509068, 2927246, 3136335, 4181780, 4390869, 5854492, 6272670, 7318115, 8781738, 12545340, 14636230, 17563476, 21954345, 29272460, 43908690, 87817380]

約数ペア:

[(1, 87817380), (2, 43908690), (3, 29272460), (4, 21954345), (5, 17563476), (6, 14636230), (7, 12545340), (10, 8781738), (12, 7318115), (14, 6272670), (15, 5854492), (20, 4390869), (21, 4181780), (28, 3136335), (30, 2927246), (35, 2509068), (42, 2090890), (60, 1463623), (70, 1254534), (84, 1045445), (105, 836356), (140, 627267), (210, 418178), (420, 209089)]