1279462820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1\times {\mathrm{1163}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 2732643648

約数和(自身を除く): 1453180828

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 821, 1163, 1340, 1642, 2326, 3284, 4105, 4652, 5815, 8210, 11630, 16420, 23260, 55007, 77921, 110014, 155842, 220028, 275035, 311684, 389605, 550070, 779210, 954823, 1100140, 1558420, 1909646, 3819292, 4774115, 9548230, 19096460, 63973141, 127946282, 255892564, 319865705, 639731410, 1279462820]

約数ペア:

[(1, 1279462820), (2, 639731410), (4, 319865705), (5, 255892564), (10, 127946282), (20, 63973141), (67, 19096460), (134, 9548230), (268, 4774115), (335, 3819292), (670, 1909646), (821, 1558420), (1163, 1100140), (1340, 954823), (1642, 779210), (2326, 550070), (3284, 389605), (4105, 311684), (4652, 275035), (5815, 220028), (8210, 155842), (11630, 110014), (16420, 77921), (23260, 55007)]