488974460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{144667}}^1$

素因数の和:144702

約数の個数: 36

約数和(自身を含む): 1111918248

約数和(自身を除く): 622943788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 144667, 289334, 578668, 723335, 1446670, 1880671, 2893340, 3761342, 7522684, 9403355, 18806710, 24448723, 37613420, 48897446, 97794892, 122243615, 244487230, 488974460]

約数ペア:

[(1, 488974460), (2, 244487230), (4, 122243615), (5, 97794892), (10, 48897446), (13, 37613420), (20, 24448723), (26, 18806710), (52, 9403355), (65, 7522684), (130, 3761342), (169, 2893340), (260, 1880671), (338, 1446670), (676, 723335), (845, 578668), (1690, 289334), (3380, 144667)]