520018180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{76249}}^1$

素因数の和:76300

約数の個数: 48

約数和(自身を含む): 1229760000

約数和(自身を除く): 709741820

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, 76249, 152498, 304996, 381245, 762490, 838739, 1524980, 1677478, 2363719, 3354956, 4193695, 4727438, 8387390, 9454876, 11818595, 16774780, 23637190, 26000909, 47274380, 52001818, 104003636, 130004545, 260009090, 520018180]

約数ペア:

[(1, 520018180), (2, 260009090), (4, 130004545), (5, 104003636), (10, 52001818), (11, 47274380), (20, 26000909), (22, 23637190), (31, 16774780), (44, 11818595), (55, 9454876), (62, 8387390), (110, 4727438), (124, 4193695), (155, 3354956), (220, 2363719), (310, 1677478), (341, 1524980), (620, 838739), (682, 762490), (1364, 381245), (1705, 304996), (3410, 152498), (6820, 76249)]