388697060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2309}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 861537600

約数和(自身を除く): 472840540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443, 886, 1772, 2215, 2309, 4430, 4618, 8417, 8860, 9236, 11545, 16834, 23090, 33668, 42085, 43871, 46180, 84170, 87742, 168340, 175484, 219355, 438710, 877420, 1022887, 2045774, 4091548, 5114435, 10228870, 19434853, 20457740, 38869706, 77739412, 97174265, 194348530, 388697060]

約数ペア:

[(1, 388697060), (2, 194348530), (4, 97174265), (5, 77739412), (10, 38869706), (19, 20457740), (20, 19434853), (38, 10228870), (76, 5114435), (95, 4091548), (190, 2045774), (380, 1022887), (443, 877420), (886, 438710), (1772, 219355), (2215, 175484), (2309, 168340), (4430, 87742), (4618, 84170), (8417, 46180), (8860, 43871), (9236, 42085), (11545, 33668), (16834, 23090)]