1390927860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1103911}}^1$

素因数の和:1103933

約数の個数: 72

約数和(自身を含む): 4821887616

約数和(自身を除く): 3430959756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1103911, 2207822, 3311733, 4415644, 5519555, 6623466, 7727377, 9935199, 11039110, 13246932, 15454754, 16558665, 19870398, 22078220, 23182131, 30909508, 33117330, 38636885, 39740796, 46364262, 49675995, 66234660, 69546393, 77273770, 92728524, 99351990, 115910655, 139092786, 154547540, 198703980, 231821310, 278185572, 347731965, 463642620, 695463930, 1390927860]

約数ペア:

[(1, 1390927860), (2, 695463930), (3, 463642620), (4, 347731965), (5, 278185572), (6, 231821310), (7, 198703980), (9, 154547540), (10, 139092786), (12, 115910655), (14, 99351990), (15, 92728524), (18, 77273770), (20, 69546393), (21, 66234660), (28, 49675995), (30, 46364262), (35, 39740796), (36, 38636885), (42, 33117330), (45, 30909508), (60, 23182131), (63, 22078220), (70, 19870398), (84, 16558665), (90, 15454754), (105, 13246932), (126, 11039110), (140, 9935199), (180, 7727377), (210, 6623466), (252, 5519555), (315, 4415644), (420, 3311733), (630, 2207822), (1260, 1103911)]