90358180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13249}}^1$

素因数の和:13300

約数の個数: 48

約数和(自身を含む): 213696000

約数和(自身を除く): 123337820

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, 13249, 26498, 52996, 66245, 132490, 145739, 264980, 291478, 410719, 582956, 728695, 821438, 1457390, 1642876, 2053595, 2914780, 4107190, 4517909, 8214380, 9035818, 18071636, 22589545, 45179090, 90358180]

約数ペア:

[(1, 90358180), (2, 45179090), (4, 22589545), (5, 18071636), (10, 9035818), (11, 8214380), (20, 4517909), (22, 4107190), (31, 2914780), (44, 2053595), (55, 1642876), (62, 1457390), (110, 821438), (124, 728695), (155, 582956), (220, 410719), (310, 291478), (341, 264980), (620, 145739), (682, 132490), (1364, 66245), (1705, 52996), (3410, 26498), (6820, 13249)]