8421700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 21373632

約数和(自身を除く): 12951932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 227, 265, 350, 371, 454, 530, 700, 742, 908, 1060, 1135, 1325, 1484, 1589, 1855, 2270, 2650, 3178, 3710, 4540, 5300, 5675, 6356, 7420, 7945, 9275, 11350, 12031, 15890, 18550, 22700, 24062, 31780, 37100, 39725, 48124, 60155, 79450, 84217, 120310, 158900, 168434, 240620, 300775, 336868, 421085, 601550, 842170, 1203100, 1684340, 2105425, 4210850, 8421700]

約数ペア:

[(1, 8421700), (2, 4210850), (4, 2105425), (5, 1684340), (7, 1203100), (10, 842170), (14, 601550), (20, 421085), (25, 336868), (28, 300775), (35, 240620), (50, 168434), (53, 158900), (70, 120310), (100, 84217), (106, 79450), (140, 60155), (175, 48124), (212, 39725), (227, 37100), (265, 31780), (350, 24062), (371, 22700), (454, 18550), (530, 15890), (700, 12031), (742, 11350), (908, 9275), (1060, 7945), (1135, 7420), (1325, 6356), (1484, 5675), (1589, 5300), (1855, 4540), (2270, 3710), (2650, 3178)]