12012380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 26460000

約数和(自身を除く): 14447620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 149, 278, 290, 298, 556, 580, 596, 695, 745, 1390, 1490, 2780, 2980, 4031, 4321, 8062, 8642, 16124, 17284, 20155, 20711, 21605, 40310, 41422, 43210, 80620, 82844, 86420, 103555, 207110, 414220, 600619, 1201238, 2402476, 3003095, 6006190, 12012380]

約数ペア:

[(1, 12012380), (2, 6006190), (4, 3003095), (5, 2402476), (10, 1201238), (20, 600619), (29, 414220), (58, 207110), (116, 103555), (139, 86420), (145, 82844), (149, 80620), (278, 43210), (290, 41422), (298, 40310), (556, 21605), (580, 20711), (596, 20155), (695, 17284), (745, 16124), (1390, 8642), (1490, 8062), (2780, 4321), (2980, 4031)]