76810220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 168835968

約数和(自身を除く): 92025748

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 1993, 3854, 3986, 7708, 7972, 9635, 9965, 19270, 19930, 38540, 39860, 81713, 93671, 163426, 187342, 326852, 374684, 408565, 468355, 817130, 936710, 1634260, 1873420, 3840511, 7681022, 15362044, 19202555, 38405110, 76810220]

約数ペア:

[(1, 76810220), (2, 38405110), (4, 19202555), (5, 15362044), (10, 7681022), (20, 3840511), (41, 1873420), (47, 1634260), (82, 936710), (94, 817130), (164, 468355), (188, 408565), (205, 374684), (235, 326852), (410, 187342), (470, 163426), (820, 93671), (940, 81713), (1927, 39860), (1993, 38540), (3854, 19930), (3986, 19270), (7708, 9965), (7972, 9635)]