1831220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 4166400

約数和(自身を除く): 2335180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 79, 95, 122, 158, 190, 244, 305, 316, 380, 395, 610, 790, 1159, 1220, 1501, 1580, 2318, 3002, 4636, 4819, 5795, 6004, 7505, 9638, 11590, 15010, 19276, 23180, 24095, 30020, 48190, 91561, 96380, 183122, 366244, 457805, 915610, 1831220]

約数ペア:

[(1, 1831220), (2, 915610), (4, 457805), (5, 366244), (10, 183122), (19, 96380), (20, 91561), (38, 48190), (61, 30020), (76, 24095), (79, 23180), (95, 19276), (122, 15010), (158, 11590), (190, 9638), (244, 7505), (305, 6004), (316, 5795), (380, 4819), (395, 4636), (610, 3002), (790, 2318), (1159, 1580), (1220, 1501)]