181391540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26597}}^1$

素因数の和:26648

約数の個数: 48

約数和(自身を含む): 428972544

約数和(自身を除く): 247581004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 26597, 53194, 106388, 132985, 265970, 292567, 531940, 585134, 824507, 1170268, 1462835, 1649014, 2925670, 3298028, 4122535, 5851340, 8245070, 9069577, 16490140, 18139154, 36278308, 45347885, 90695770, 181391540]

約数ペア:

[(1, 181391540), (2, 90695770), (4, 45347885), (5, 36278308), (10, 18139154), (11, 16490140), (20, 9069577), (22, 8245070), (31, 5851340), (44, 4122535), (55, 3298028), (62, 2925670), (110, 1649014), (124, 1462835), (155, 1170268), (220, 824507), (310, 585134), (341, 531940), (620, 292567), (682, 265970), (1364, 132985), (1705, 106388), (3410, 53194), (6820, 26597)]