354631420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{123997}}^1$

素因数の和:124030

約数の個数: 48

約数和(自身を含む): 874929888

約数和(自身を除く): 520298468

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 123997, 247994, 495988, 619985, 1239970, 1363967, 1611961, 2479940, 2727934, 3223922, 5455868, 6447844, 6819835, 8059805, 13639670, 16119610, 17731571, 27279340, 32239220, 35463142, 70926284, 88657855, 177315710, 354631420]

約数ペア:

[(1, 354631420), (2, 177315710), (4, 88657855), (5, 70926284), (10, 35463142), (11, 32239220), (13, 27279340), (20, 17731571), (22, 16119610), (26, 13639670), (44, 8059805), (52, 6819835), (55, 6447844), (65, 5455868), (110, 3223922), (130, 2727934), (143, 2479940), (220, 1611961), (260, 1363967), (286, 1239970), (572, 619985), (715, 495988), (1430, 247994), (2860, 123997)]