258236450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 497218176

約数和(自身を除く): 238981726

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 103, 205, 206, 410, 515, 1025, 1030, 1223, 2050, 2446, 2575, 4223, 5150, 6115, 8446, 12230, 21115, 30575, 42230, 50143, 61150, 100286, 105575, 125969, 211150, 250715, 251938, 501430, 629845, 1253575, 1259690, 2507150, 3149225, 5164729, 6298450, 10329458, 25823645, 51647290, 129118225, 258236450]

約数ペア:

[(1, 258236450), (2, 129118225), (5, 51647290), (10, 25823645), (25, 10329458), (41, 6298450), (50, 5164729), (82, 3149225), (103, 2507150), (205, 1259690), (206, 1253575), (410, 629845), (515, 501430), (1025, 251938), (1030, 250715), (1223, 211150), (2050, 125969), (2446, 105575), (2575, 100286), (4223, 61150), (5150, 50143), (6115, 42230), (8446, 30575), (12230, 21115)]