470605460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{17921}}^1$

素因数の和:18044

約数の個数: 48

約数和(自身を含む): 1074889872

約数和(自身を除く): 604284412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 17921, 26260, 35842, 71684, 89605, 179210, 232973, 358420, 465946, 931892, 1164865, 1810021, 2329730, 3620042, 4659460, 7240084, 9050105, 18100210, 23530273, 36200420, 47060546, 94121092, 117651365, 235302730, 470605460]

約数ペア:

[(1, 470605460), (2, 235302730), (4, 117651365), (5, 94121092), (10, 47060546), (13, 36200420), (20, 23530273), (26, 18100210), (52, 9050105), (65, 7240084), (101, 4659460), (130, 3620042), (202, 2329730), (260, 1810021), (404, 1164865), (505, 931892), (1010, 465946), (1313, 358420), (2020, 232973), (2626, 179210), (5252, 89605), (6565, 71684), (13130, 35842), (17921, 26260)]