9903080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 24727680

約数和(自身を除く): 14824600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 317, 355, 440, 568, 634, 710, 781, 1268, 1420, 1562, 1585, 2536, 2840, 3124, 3170, 3487, 3905, 6248, 6340, 6974, 7810, 12680, 13948, 15620, 17435, 22507, 27896, 31240, 34870, 45014, 69740, 90028, 112535, 139480, 180056, 225070, 247577, 450140, 495154, 900280, 990308, 1237885, 1980616, 2475770, 4951540, 9903080]

約数ペア:

[(1, 9903080), (2, 4951540), (4, 2475770), (5, 1980616), (8, 1237885), (10, 990308), (11, 900280), (20, 495154), (22, 450140), (40, 247577), (44, 225070), (55, 180056), (71, 139480), (88, 112535), (110, 90028), (142, 69740), (220, 45014), (284, 34870), (317, 31240), (355, 27896), (440, 22507), (568, 17435), (634, 15620), (710, 13948), (781, 12680), (1268, 7810), (1420, 6974), (1562, 6340), (1585, 6248), (2536, 3905), (2840, 3487), (3124, 3170)]