156157400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1665

約数の個数: 96

約数和(自身を含む): 421044480

約数和(自身を除く): 264887080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 350, 355, 497, 568, 700, 710, 994, 1400, 1420, 1571, 1775, 1988, 2485, 2840, 3142, 3550, 3976, 4970, 6284, 7100, 7855, 9940, 10997, 12425, 12568, 14200, 15710, 19880, 21994, 24850, 31420, 39275, 43988, 49700, 54985, 62840, 78550, 87976, 99400, 109970, 111541, 157100, 219940, 223082, 274925, 314200, 439880, 446164, 549850, 557705, 780787, 892328, 1099700, 1115410, 1561574, 2199400, 2230820, 2788525, 3123148, 3903935, 4461640, 5577050, 6246296, 7807870, 11154100, 15615740, 19519675, 22308200, 31231480, 39039350, 78078700, 156157400]

約数ペア:

[(1, 156157400), (2, 78078700), (4, 39039350), (5, 31231480), (7, 22308200), (8, 19519675), (10, 15615740), (14, 11154100), (20, 7807870), (25, 6246296), (28, 5577050), (35, 4461640), (40, 3903935), (50, 3123148), (56, 2788525), (70, 2230820), (71, 2199400), (100, 1561574), (140, 1115410), (142, 1099700), (175, 892328), (200, 780787), (280, 557705), (284, 549850), (350, 446164), (355, 439880), (497, 314200), (568, 274925), (700, 223082), (710, 219940), (994, 157100), (1400, 111541), (1420, 109970), (1571, 99400), (1775, 87976), (1988, 78550), (2485, 62840), (2840, 54985), (3142, 49700), (3550, 43988), (3976, 39275), (4970, 31420), (6284, 24850), (7100, 21994), (7855, 19880), (9940, 15710), (10997, 14200), (12425, 12568)]