227865988

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 468720000

約数和(自身を除く): 240854012

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 178, 244, 356, 427, 623, 854, 1246, 1499, 1708, 2492, 2998, 5429, 5996, 10493, 10858, 20986, 21716, 38003, 41972, 76006, 91439, 133411, 152012, 182878, 266822, 365756, 533644, 640073, 933877, 1280146, 1867754, 2560292, 3735508, 8138071, 16276142, 32552284, 56966497, 113932994, 227865988]

約数ペア:

[(1, 227865988), (2, 113932994), (4, 56966497), (7, 32552284), (14, 16276142), (28, 8138071), (61, 3735508), (89, 2560292), (122, 1867754), (178, 1280146), (244, 933877), (356, 640073), (427, 533644), (623, 365756), (854, 266822), (1246, 182878), (1499, 152012), (1708, 133411), (2492, 91439), (2998, 76006), (5429, 41972), (5996, 38003), (10493, 21716), (10858, 20986)]