131503190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 311980032

約数和(自身を除く): 180476842

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 61, 65, 70, 91, 103, 115, 122, 130, 161, 182, 206, 230, 299, 305, 322, 427, 455, 515, 598, 610, 721, 793, 805, 854, 910, 1030, 1339, 1403, 1442, 1495, 1586, 1610, 2093, 2135, 2369, 2678, 2806, 2990, 3605, 3965, 4186, 4270, 4738, 5551, 6283, 6695, 7015, 7210, 7930, 9373, 9821, 10465, 11102, 11845, 12566, 13390, 14030, 16583, 18239, 18746, 19642, 20930, 23690, 27755, 30797, 31415, 33166, 36478, 43981, 46865, 49105, 55510, 61594, 62830, 81679, 82915, 87962, 91195, 93730, 98210, 127673, 144509, 153985, 163358, 165830, 182390, 215579, 219905, 255346, 289018, 307970, 408395, 431158, 439810, 571753, 638365, 722545, 816790, 1011563, 1077895, 1143506, 1276730, 1445090, 1878617, 2023126, 2155790, 2858765, 3757234, 5057815, 5717530, 9393085, 10115630, 13150319, 18786170, 26300638, 65751595, 131503190]

約数ペア:

[(1, 131503190), (2, 65751595), (5, 26300638), (7, 18786170), (10, 13150319), (13, 10115630), (14, 9393085), (23, 5717530), (26, 5057815), (35, 3757234), (46, 2858765), (61, 2155790), (65, 2023126), (70, 1878617), (91, 1445090), (103, 1276730), (115, 1143506), (122, 1077895), (130, 1011563), (161, 816790), (182, 722545), (206, 638365), (230, 571753), (299, 439810), (305, 431158), (322, 408395), (427, 307970), (455, 289018), (515, 255346), (598, 219905), (610, 215579), (721, 182390), (793, 165830), (805, 163358), (854, 153985), (910, 144509), (1030, 127673), (1339, 98210), (1403, 93730), (1442, 91195), (1495, 87962), (1586, 82915), (1610, 81679), (2093, 62830), (2135, 61594), (2369, 55510), (2678, 49105), (2806, 46865), (2990, 43981), (3605, 36478), (3965, 33166), (4186, 31415), (4270, 30797), (4738, 27755), (5551, 23690), (6283, 20930), (6695, 19642), (7015, 18746), (7210, 18239), (7930, 16583), (9373, 14030), (9821, 13390), (10465, 12566), (11102, 11845)]