201234920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{211}}^2$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 458960580

約数和(自身を除く): 257725660

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 211, 226, 422, 452, 565, 844, 904, 1055, 1130, 1688, 2110, 2260, 4220, 4520, 8440, 23843, 44521, 47686, 89042, 95372, 119215, 178084, 190744, 222605, 238430, 356168, 445210, 476860, 890420, 953720, 1780840, 5030873, 10061746, 20123492, 25154365, 40246984, 50308730, 100617460, 201234920]

約数ペア:

[(1, 201234920), (2, 100617460), (4, 50308730), (5, 40246984), (8, 25154365), (10, 20123492), (20, 10061746), (40, 5030873), (113, 1780840), (211, 953720), (226, 890420), (422, 476860), (452, 445210), (565, 356168), (844, 238430), (904, 222605), (1055, 190744), (1130, 178084), (1688, 119215), (2110, 95372), (2260, 89042), (4220, 47686), (4520, 44521), (8440, 23843)]