9002800

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 60

約数和(自身を含む): 22003056

約数和(自身を除く): 13000256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 317, 355, 400, 568, 634, 710, 1136, 1268, 1420, 1585, 1775, 2536, 2840, 3170, 3550, 5072, 5680, 6340, 7100, 7925, 12680, 14200, 15850, 22507, 25360, 28400, 31700, 45014, 63400, 90028, 112535, 126800, 180056, 225070, 360112, 450140, 562675, 900280, 1125350, 1800560, 2250700, 4501400, 9002800]

約数ペア:

[(1, 9002800), (2, 4501400), (4, 2250700), (5, 1800560), (8, 1125350), (10, 900280), (16, 562675), (20, 450140), (25, 360112), (40, 225070), (50, 180056), (71, 126800), (80, 112535), (100, 90028), (142, 63400), (200, 45014), (284, 31700), (317, 28400), (355, 25360), (400, 22507), (568, 15850), (634, 14200), (710, 12680), (1136, 7925), (1268, 7100), (1420, 6340), (1585, 5680), (1775, 5072), (2536, 3550), (2840, 3170)]