156911440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280199}}^1$

素因数の和:280219

約数の個数: 40

約数和(自身を含む): 416937600

約数和(自身を除く): 260026160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280199, 560398, 1120796, 1400995, 1961393, 2241592, 2801990, 3922786, 4483184, 5603980, 7845572, 9806965, 11207960, 15691144, 19613930, 22415920, 31382288, 39227860, 78455720, 156911440]

約数ペア:

[(1, 156911440), (2, 78455720), (4, 39227860), (5, 31382288), (7, 22415920), (8, 19613930), (10, 15691144), (14, 11207960), (16, 9806965), (20, 7845572), (28, 5603980), (35, 4483184), (40, 3922786), (56, 2801990), (70, 2241592), (80, 1961393), (112, 1400995), (140, 1120796), (280, 560398), (560, 280199)]