274443125

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 60

約数和(自身を含む): 398872320

約数和(自身を除く): 124429195

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 125, 191, 209, 275, 475, 605, 625, 955, 1045, 1375, 2101, 2299, 2375, 3025, 3629, 4775, 5225, 6875, 10505, 11495, 11875, 15125, 18145, 23111, 23875, 26125, 39919, 52525, 57475, 75625, 90725, 115555, 119375, 130625, 199595, 262625, 287375, 439109, 453625, 577775, 997975, 1313125, 1436875, 2195545, 2268125, 2888875, 4989875, 10977725, 14444375, 24949375, 54888625, 274443125]

約数ペア:

[(1, 274443125), (5, 54888625), (11, 24949375), (19, 14444375), (25, 10977725), (55, 4989875), (95, 2888875), (121, 2268125), (125, 2195545), (191, 1436875), (209, 1313125), (275, 997975), (475, 577775), (605, 453625), (625, 439109), (955, 287375), (1045, 262625), (1375, 199595), (2101, 130625), (2299, 119375), (2375, 115555), (3025, 90725), (3629, 75625), (4775, 57475), (5225, 52525), (6875, 39919), (10505, 26125), (11495, 23875), (11875, 23111), (15125, 18145)]