2021578120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{174877}}^1$

素因数の和:174922

約数の個数: 48

約数和(自身を含む): 4831879140

約数和(自身を除く): 2810301020

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 174877, 349754, 699508, 874385, 1399016, 1748770, 2972909, 3497540, 5945818, 6995080, 11891636, 14864545, 23783272, 29729090, 50539453, 59458180, 101078906, 118916360, 202157812, 252697265, 404315624, 505394530, 1010789060, 2021578120]

約数ペア:

[(1, 2021578120), (2, 1010789060), (4, 505394530), (5, 404315624), (8, 252697265), (10, 202157812), (17, 118916360), (20, 101078906), (34, 59458180), (40, 50539453), (68, 29729090), (85, 23783272), (136, 14864545), (170, 11891636), (289, 6995080), (340, 5945818), (578, 3497540), (680, 2972909), (1156, 1748770), (1445, 1399016), (2312, 874385), (2890, 699508), (5780, 349754), (11560, 174877)]