181520780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1319}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 436423680

約数和(自身を除く): 254902900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 983, 1319, 1966, 2638, 3932, 4915, 5276, 6595, 6881, 9233, 9830, 13190, 13762, 18466, 19660, 26380, 27524, 34405, 36932, 46165, 68810, 92330, 137620, 184660, 1296577, 2593154, 5186308, 6482885, 9076039, 12965770, 18152078, 25931540, 36304156, 45380195, 90760390, 181520780]

約数ペア:

[(1, 181520780), (2, 90760390), (4, 45380195), (5, 36304156), (7, 25931540), (10, 18152078), (14, 12965770), (20, 9076039), (28, 6482885), (35, 5186308), (70, 2593154), (140, 1296577), (983, 184660), (1319, 137620), (1966, 92330), (2638, 68810), (3932, 46165), (4915, 36932), (5276, 34405), (6595, 27524), (6881, 26380), (9233, 19660), (9830, 18466), (13190, 13762)]