4149220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 9374400

約数和(自身を除く): 5225180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 179, 190, 244, 305, 358, 380, 610, 716, 895, 1159, 1220, 1790, 2318, 3401, 3580, 4636, 5795, 6802, 10919, 11590, 13604, 17005, 21838, 23180, 34010, 43676, 54595, 68020, 109190, 207461, 218380, 414922, 829844, 1037305, 2074610, 4149220]

約数ペア:

[(1, 4149220), (2, 2074610), (4, 1037305), (5, 829844), (10, 414922), (19, 218380), (20, 207461), (38, 109190), (61, 68020), (76, 54595), (95, 43676), (122, 34010), (179, 23180), (190, 21838), (244, 17005), (305, 13604), (358, 11590), (380, 10919), (610, 6802), (716, 5795), (895, 4636), (1159, 3580), (1220, 3401), (1790, 2318)]