31429660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 68769792

約数和(自身を除く): 37340132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 311, 326, 620, 622, 652, 815, 1244, 1555, 1630, 3110, 3260, 5053, 6220, 9641, 10106, 19282, 20212, 25265, 38564, 48205, 50530, 50693, 96410, 101060, 101386, 192820, 202772, 253465, 506930, 1013860, 1571483, 3142966, 6285932, 7857415, 15714830, 31429660]

約数ペア:

[(1, 31429660), (2, 15714830), (4, 7857415), (5, 6285932), (10, 3142966), (20, 1571483), (31, 1013860), (62, 506930), (124, 253465), (155, 202772), (163, 192820), (310, 101386), (311, 101060), (326, 96410), (620, 50693), (622, 50530), (652, 48205), (815, 38564), (1244, 25265), (1555, 20212), (1630, 19282), (3110, 10106), (3260, 9641), (5053, 6220)]