611780780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{54721}}^1$

素因数の和:54786

約数の個数: 48

約数和(自身を含む): 1415767584

約数和(自身を除く): 803986804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 54721, 109442, 218884, 273605, 547210, 711373, 1094420, 1422746, 2353003, 2845492, 3556865, 4706006, 7113730, 9412012, 11765015, 14227460, 23530030, 30589039, 47060060, 61178078, 122356156, 152945195, 305890390, 611780780]

約数ペア:

[(1, 611780780), (2, 305890390), (4, 152945195), (5, 122356156), (10, 61178078), (13, 47060060), (20, 30589039), (26, 23530030), (43, 14227460), (52, 11765015), (65, 9412012), (86, 7113730), (130, 4706006), (172, 3556865), (215, 2845492), (260, 2353003), (430, 1422746), (559, 1094420), (860, 711373), (1118, 547210), (2236, 273605), (2795, 218884), (5590, 109442), (11180, 54721)]