419660080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{749393}}^1$

素因数の和:749413

約数の個数: 40

約数和(自身を含む): 1115098272

約数和(自身を除く): 695438192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 749393, 1498786, 2997572, 3746965, 5245751, 5995144, 7493930, 10491502, 11990288, 14987860, 20983004, 26228755, 29975720, 41966008, 52457510, 59951440, 83932016, 104915020, 209830040, 419660080]

約数ペア:

[(1, 419660080), (2, 209830040), (4, 104915020), (5, 83932016), (7, 59951440), (8, 52457510), (10, 41966008), (14, 29975720), (16, 26228755), (20, 20983004), (28, 14987860), (35, 11990288), (40, 10491502), (56, 7493930), (70, 5995144), (80, 5245751), (112, 3746965), (140, 2997572), (280, 1498786), (560, 749393)]