90784280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6287}}^1$

素因数の和:6336

約数の個数: 48

約数和(自身を含む): 215615520

約数和(自身を除く): 124831240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 6287, 7220, 12574, 14440, 25148, 31435, 50296, 62870, 119453, 125740, 238906, 251480, 477812, 597265, 955624, 1194530, 2269607, 2389060, 4539214, 4778120, 9078428, 11348035, 18156856, 22696070, 45392140, 90784280]

約数ペア:

[(1, 90784280), (2, 45392140), (4, 22696070), (5, 18156856), (8, 11348035), (10, 9078428), (19, 4778120), (20, 4539214), (38, 2389060), (40, 2269607), (76, 1194530), (95, 955624), (152, 597265), (190, 477812), (361, 251480), (380, 238906), (722, 125740), (760, 119453), (1444, 62870), (1805, 50296), (2888, 31435), (3610, 25148), (6287, 14440), (7220, 12574)]