719183140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38959}}^1$

素因数の和:39052

約数の個数: 48

約数和(自身を含む): 1649410560

約数和(自身を除く): 930227420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 38959, 77918, 155836, 194795, 389590, 506467, 779180, 1012934, 2025868, 2532335, 2766089, 5064670, 5532178, 10129340, 11064356, 13830445, 27660890, 35959157, 55321780, 71918314, 143836628, 179795785, 359591570, 719183140]

約数ペア:

[(1, 719183140), (2, 359591570), (4, 179795785), (5, 143836628), (10, 71918314), (13, 55321780), (20, 35959157), (26, 27660890), (52, 13830445), (65, 11064356), (71, 10129340), (130, 5532178), (142, 5064670), (260, 2766089), (284, 2532335), (355, 2025868), (710, 1012934), (923, 779180), (1420, 506467), (1846, 389590), (3692, 194795), (4615, 155836), (9230, 77918), (18460, 38959)]