1608967580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{235919}}^1$

素因数の和:235970

約数の個数: 48

約数和(自身を含む): 3804917760

約数和(自身を除く): 2195950180

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, 235919, 471838, 943676, 1179595, 2359190, 2595109, 4718380, 5190218, 7313489, 10380436, 12975545, 14626978, 25951090, 29253956, 36567445, 51902180, 73134890, 80448379, 146269780, 160896758, 321793516, 402241895, 804483790, 1608967580]

約数ペア:

[(1, 1608967580), (2, 804483790), (4, 402241895), (5, 321793516), (10, 160896758), (11, 146269780), (20, 80448379), (22, 73134890), (31, 51902180), (44, 36567445), (55, 29253956), (62, 25951090), (110, 14626978), (124, 12975545), (155, 10380436), (220, 7313489), (310, 5190218), (341, 4718380), (620, 2595109), (682, 2359190), (1364, 1179595), (1705, 943676), (3410, 471838), (6820, 235919)]