30778540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2753}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 71251488

約数和(自身を除く): 40472948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2753, 2795, 5506, 5590, 11012, 11180, 13765, 27530, 35789, 55060, 71578, 118379, 143156, 178945, 236758, 357890, 473516, 591895, 715780, 1183790, 1538927, 2367580, 3077854, 6155708, 7694635, 15389270, 30778540]

約数ペア:

[(1, 30778540), (2, 15389270), (4, 7694635), (5, 6155708), (10, 3077854), (13, 2367580), (20, 1538927), (26, 1183790), (43, 715780), (52, 591895), (65, 473516), (86, 357890), (130, 236758), (172, 178945), (215, 143156), (260, 118379), (430, 71578), (559, 55060), (860, 35789), (1118, 27530), (2236, 13765), (2753, 11180), (2795, 11012), (5506, 5590)]