280943908

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 574801920

約数和(自身を除く): 293858012

約数列:

[1, 2, 4, 7, 14, 28, 79, 107, 158, 214, 316, 428, 553, 749, 1106, 1187, 1498, 2212, 2374, 2996, 4748, 8309, 8453, 16618, 16906, 33236, 33812, 59171, 93773, 118342, 127009, 187546, 236684, 254018, 375092, 508036, 656411, 889063, 1312822, 1778126, 2625644, 3556252, 10033711, 20067422, 40134844, 70235977, 140471954, 280943908]

約数ペア:

[(1, 280943908), (2, 140471954), (4, 70235977), (7, 40134844), (14, 20067422), (28, 10033711), (79, 3556252), (107, 2625644), (158, 1778126), (214, 1312822), (316, 889063), (428, 656411), (553, 508036), (749, 375092), (1106, 254018), (1187, 236684), (1498, 187546), (2212, 127009), (2374, 118342), (2996, 93773), (4748, 59171), (8309, 33812), (8453, 33236), (16618, 16906)]