130411960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4273}}^1$

素因数の和:4400

約数の個数: 64

約数和(自身を含む): 338500800

約数和(自身を除く): 208088840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4273, 4360, 6104, 7630, 8546, 15260, 17092, 21365, 29911, 30520, 34184, 42730, 59822, 85460, 119644, 149555, 170920, 239288, 299110, 465757, 598220, 931514, 1196440, 1863028, 2328785, 3260299, 3726056, 4657570, 6520598, 9315140, 13041196, 16301495, 18630280, 26082392, 32602990, 65205980, 130411960]

約数ペア:

[(1, 130411960), (2, 65205980), (4, 32602990), (5, 26082392), (7, 18630280), (8, 16301495), (10, 13041196), (14, 9315140), (20, 6520598), (28, 4657570), (35, 3726056), (40, 3260299), (56, 2328785), (70, 1863028), (109, 1196440), (140, 931514), (218, 598220), (280, 465757), (436, 299110), (545, 239288), (763, 170920), (872, 149555), (1090, 119644), (1526, 85460), (2180, 59822), (3052, 42730), (3815, 34184), (4273, 30520), (4360, 29911), (6104, 21365), (7630, 17092), (8546, 15260)]