71894020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 178536960

約数和(自身を除く): 106642940

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 170, 187, 188, 220, 235, 340, 374, 409, 470, 517, 748, 799, 818, 935, 940, 1034, 1598, 1636, 1870, 2045, 2068, 2585, 3196, 3740, 3995, 4090, 4499, 5170, 6953, 7990, 8180, 8789, 8998, 10340, 13906, 15980, 17578, 17996, 19223, 22495, 27812, 34765, 35156, 38446, 43945, 44990, 69530, 76483, 76892, 87890, 89980, 96115, 139060, 152966, 175780, 192230, 211453, 305932, 326791, 382415, 384460, 422906, 653582, 764830, 845812, 1057265, 1307164, 1529660, 1633955, 2114530, 3267910, 3594701, 4229060, 6535820, 7189402, 14378804, 17973505, 35947010, 71894020]

約数ペア:

[(1, 71894020), (2, 35947010), (4, 17973505), (5, 14378804), (10, 7189402), (11, 6535820), (17, 4229060), (20, 3594701), (22, 3267910), (34, 2114530), (44, 1633955), (47, 1529660), (55, 1307164), (68, 1057265), (85, 845812), (94, 764830), (110, 653582), (170, 422906), (187, 384460), (188, 382415), (220, 326791), (235, 305932), (340, 211453), (374, 192230), (409, 175780), (470, 152966), (517, 139060), (748, 96115), (799, 89980), (818, 87890), (935, 76892), (940, 76483), (1034, 69530), (1598, 44990), (1636, 43945), (1870, 38446), (2045, 35156), (2068, 34765), (2585, 27812), (3196, 22495), (3740, 19223), (3995, 17996), (4090, 17578), (4499, 15980), (5170, 13906), (6953, 10340), (7990, 8998), (8180, 8789)]