7770980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 19063296

約数和(自身を除く): 11292316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1181, 1316, 1645, 2362, 3290, 4724, 5905, 6580, 8267, 11810, 16534, 23620, 33068, 41335, 55507, 82670, 111014, 165340, 222028, 277535, 388549, 555070, 777098, 1110140, 1554196, 1942745, 3885490, 7770980]

約数ペア:

[(1, 7770980), (2, 3885490), (4, 1942745), (5, 1554196), (7, 1110140), (10, 777098), (14, 555070), (20, 388549), (28, 277535), (35, 222028), (47, 165340), (70, 111014), (94, 82670), (140, 55507), (188, 41335), (235, 33068), (329, 23620), (470, 16534), (658, 11810), (940, 8267), (1181, 6580), (1316, 5905), (1645, 4724), (2362, 3290)]