254464450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 490046760

約数和(自身を除く): 235582310

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 101, 202, 205, 410, 505, 1010, 1025, 1229, 2050, 2458, 2525, 4141, 5050, 6145, 8282, 12290, 20705, 30725, 41410, 50389, 61450, 100778, 103525, 124129, 207050, 248258, 251945, 503890, 620645, 1241290, 1259725, 2519450, 3103225, 5089289, 6206450, 10178578, 25446445, 50892890, 127232225, 254464450]

約数ペア:

[(1, 254464450), (2, 127232225), (5, 50892890), (10, 25446445), (25, 10178578), (41, 6206450), (50, 5089289), (82, 3103225), (101, 2519450), (202, 1259725), (205, 1241290), (410, 620645), (505, 503890), (1010, 251945), (1025, 248258), (1229, 207050), (2050, 124129), (2458, 103525), (2525, 100778), (4141, 61450), (5050, 50389), (6145, 41410), (8282, 30725), (12290, 20705)]