2155790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 5031936

約数和(自身を除く): 2876146

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 103, 115, 130, 161, 182, 206, 230, 299, 322, 455, 515, 598, 721, 805, 910, 1030, 1339, 1442, 1495, 1610, 2093, 2369, 2678, 2990, 3605, 4186, 4738, 6695, 7210, 9373, 10465, 11845, 13390, 16583, 18746, 20930, 23690, 30797, 33166, 46865, 61594, 82915, 93730, 153985, 165830, 215579, 307970, 431158, 1077895, 2155790]

約数ペア:

[(1, 2155790), (2, 1077895), (5, 431158), (7, 307970), (10, 215579), (13, 165830), (14, 153985), (23, 93730), (26, 82915), (35, 61594), (46, 46865), (65, 33166), (70, 30797), (91, 23690), (103, 20930), (115, 18746), (130, 16583), (161, 13390), (182, 11845), (206, 10465), (230, 9373), (299, 7210), (322, 6695), (455, 4738), (515, 4186), (598, 3605), (721, 2990), (805, 2678), (910, 2369), (1030, 2093), (1339, 1610), (1442, 1495)]