519888140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1\times {\mathrm{499}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 1106028000

約数和(自身を除く): 586139860

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 461, 499, 565, 922, 998, 1130, 1844, 1996, 2260, 2305, 2495, 4610, 4990, 9220, 9980, 52093, 56387, 104186, 112774, 208372, 225548, 230039, 260465, 281935, 460078, 520930, 563870, 920156, 1041860, 1127740, 1150195, 2300390, 4600780, 25994407, 51988814, 103977628, 129972035, 259944070, 519888140]

約数ペア:

[(1, 519888140), (2, 259944070), (4, 129972035), (5, 103977628), (10, 51988814), (20, 25994407), (113, 4600780), (226, 2300390), (452, 1150195), (461, 1127740), (499, 1041860), (565, 920156), (922, 563870), (998, 520930), (1130, 460078), (1844, 281935), (1996, 260465), (2260, 230039), (2305, 225548), (2495, 208372), (4610, 112774), (4990, 104186), (9220, 56387), (9980, 52093)]