179920880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{118369}}^1$

素因数の和:118401

約数の個数: 40

約数和(自身を含む): 440336400

約数和(自身を除く): 260415520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 118369, 236738, 473476, 591845, 946952, 1183690, 1893904, 2249011, 2367380, 4498022, 4734760, 8996044, 9469520, 11245055, 17992088, 22490110, 35984176, 44980220, 89960440, 179920880]

約数ペア:

[(1, 179920880), (2, 89960440), (4, 44980220), (5, 35984176), (8, 22490110), (10, 17992088), (16, 11245055), (19, 9469520), (20, 8996044), (38, 4734760), (40, 4498022), (76, 2367380), (80, 2249011), (95, 1893904), (152, 1183690), (190, 946952), (304, 591845), (380, 473476), (760, 236738), (1520, 118369)]