408760950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{209621}}^1$

素因数の和:209649

約数の個数: 48

約数和(自身を含む): 1091711376

約数和(自身を除く): 682950426

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 209621, 419242, 628863, 1048105, 1257726, 2096210, 2725073, 3144315, 5240525, 5450146, 6288630, 8175219, 10481050, 13625365, 15721575, 16350438, 27250730, 31443150, 40876095, 68126825, 81752190, 136253650, 204380475, 408760950]

約数ペア:

[(1, 408760950), (2, 204380475), (3, 136253650), (5, 81752190), (6, 68126825), (10, 40876095), (13, 31443150), (15, 27250730), (25, 16350438), (26, 15721575), (30, 13625365), (39, 10481050), (50, 8175219), (65, 6288630), (75, 5450146), (78, 5240525), (130, 3144315), (150, 2725073), (195, 2096210), (325, 1257726), (390, 1048105), (650, 628863), (975, 419242), (1950, 209621)]