278370470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{2377}}^1$

素因数の和:2637

約数の個数: 48

約数和(自身を含む): 585558720

約数和(自身を除く): 307188250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 478, 490, 1195, 1673, 2377, 2390, 3346, 4754, 8365, 11711, 11885, 16639, 16730, 23422, 23770, 33278, 58555, 83195, 116473, 117110, 166390, 232946, 568103, 582365, 1136206, 1164730, 2840515, 3976721, 5681030, 7953442, 19883605, 27837047, 39767210, 55674094, 139185235, 278370470]

約数ペア:

[(1, 278370470), (2, 139185235), (5, 55674094), (7, 39767210), (10, 27837047), (14, 19883605), (35, 7953442), (49, 5681030), (70, 3976721), (98, 2840515), (239, 1164730), (245, 1136206), (478, 582365), (490, 568103), (1195, 232946), (1673, 166390), (2377, 117110), (2390, 116473), (3346, 83195), (4754, 58555), (8365, 33278), (11711, 23770), (11885, 23422), (16639, 16730)]