890330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 1969920

約数和(自身を除く): 1079590

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 79, 98, 115, 158, 161, 230, 245, 322, 395, 490, 553, 790, 805, 1106, 1127, 1610, 1817, 2254, 2765, 3634, 3871, 5530, 5635, 7742, 9085, 11270, 12719, 18170, 19355, 25438, 38710, 63595, 89033, 127190, 178066, 445165, 890330]

約数ペア:

[(1, 890330), (2, 445165), (5, 178066), (7, 127190), (10, 89033), (14, 63595), (23, 38710), (35, 25438), (46, 19355), (49, 18170), (70, 12719), (79, 11270), (98, 9085), (115, 7742), (158, 5635), (161, 5530), (230, 3871), (245, 3634), (322, 2765), (395, 2254), (490, 1817), (553, 1610), (790, 1127), (805, 1106)]