404479940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{2707}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 880771584

約数和(自身を除く): 476291644

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 241, 310, 482, 620, 964, 1205, 2410, 2707, 4820, 5414, 7471, 10828, 13535, 14942, 27070, 29884, 37355, 54140, 74710, 83917, 149420, 167834, 335668, 419585, 652387, 839170, 1304774, 1678340, 2609548, 3261935, 6523870, 13047740, 20223997, 40447994, 80895988, 101119985, 202239970, 404479940]

約数ペア:

[(1, 404479940), (2, 202239970), (4, 101119985), (5, 80895988), (10, 40447994), (20, 20223997), (31, 13047740), (62, 6523870), (124, 3261935), (155, 2609548), (241, 1678340), (310, 1304774), (482, 839170), (620, 652387), (964, 419585), (1205, 335668), (2410, 167834), (2707, 149420), (4820, 83917), (5414, 74710), (7471, 54140), (10828, 37355), (13535, 29884), (14942, 27070)]