4501400

素因数分解:

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

素因数の和:404

約数の個数: 48

約数和(自身を含む): 10646640

約数和(自身を除く): 6145240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 317, 355, 568, 634, 710, 1268, 1420, 1585, 1775, 2536, 2840, 3170, 3550, 6340, 7100, 7925, 12680, 14200, 15850, 22507, 31700, 45014, 63400, 90028, 112535, 180056, 225070, 450140, 562675, 900280, 1125350, 2250700, 4501400]

約数ペア:

[(1, 4501400), (2, 2250700), (4, 1125350), (5, 900280), (8, 562675), (10, 450140), (20, 225070), (25, 180056), (40, 112535), (50, 90028), (71, 63400), (100, 45014), (142, 31700), (200, 22507), (284, 15850), (317, 14200), (355, 12680), (568, 7925), (634, 7100), (710, 6340), (1268, 3550), (1420, 3170), (1585, 2840), (1775, 2536)]