90355390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7109}}^1$

素因数の和:7188

約数の個数: 32

約数和(自身を含む): 172005120

約数和(自身を除く): 81649730

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 2542, 6355, 7109, 12710, 14218, 35545, 71090, 220379, 291469, 440758, 582938, 1101895, 1457345, 2203790, 2914690, 9035539, 18071078, 45177695, 90355390]

約数ペア:

[(1, 90355390), (2, 45177695), (5, 18071078), (10, 9035539), (31, 2914690), (41, 2203790), (62, 1457345), (82, 1101895), (155, 582938), (205, 440758), (310, 291469), (410, 220379), (1271, 71090), (2542, 35545), (6355, 14218), (7109, 12710)]