89188850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 175822080

約数和(自身を除く): 86633230

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 223, 421, 446, 475, 842, 950, 1115, 2105, 2230, 4210, 4237, 5575, 7999, 8474, 10525, 11150, 15998, 21050, 21185, 39995, 42370, 79990, 93883, 105925, 187766, 199975, 211850, 399950, 469415, 938830, 1783777, 2347075, 3567554, 4694150, 8918885, 17837770, 44594425, 89188850]

約数ペア:

[(1, 89188850), (2, 44594425), (5, 17837770), (10, 8918885), (19, 4694150), (25, 3567554), (38, 2347075), (50, 1783777), (95, 938830), (190, 469415), (223, 399950), (421, 211850), (446, 199975), (475, 187766), (842, 105925), (950, 93883), (1115, 79990), (2105, 42370), (2230, 39995), (4210, 21185), (4237, 21050), (5575, 15998), (7999, 11150), (8474, 10525)]