81160100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:186

約数の個数: 108

約数和(自身を含む): 213028032

約数和(自身を除く): 131867932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 71, 92, 100, 115, 140, 142, 161, 175, 230, 284, 322, 350, 355, 460, 497, 575, 644, 700, 710, 805, 994, 1150, 1420, 1610, 1633, 1775, 1988, 2300, 2485, 3220, 3266, 3550, 4025, 4970, 5041, 6532, 7100, 8050, 8165, 9940, 10082, 11431, 12425, 16100, 16330, 20164, 22862, 24850, 25205, 32660, 35287, 40825, 45724, 49700, 50410, 57155, 70574, 81650, 100820, 114310, 115943, 126025, 141148, 163300, 176435, 228620, 231886, 252050, 285775, 352870, 463772, 504100, 571550, 579715, 705740, 811601, 882175, 1143100, 1159430, 1623202, 1764350, 2318860, 2898575, 3246404, 3528700, 4058005, 5797150, 8116010, 11594300, 16232020, 20290025, 40580050, 81160100]

約数ペア:

[(1, 81160100), (2, 40580050), (4, 20290025), (5, 16232020), (7, 11594300), (10, 8116010), (14, 5797150), (20, 4058005), (23, 3528700), (25, 3246404), (28, 2898575), (35, 2318860), (46, 1764350), (50, 1623202), (70, 1159430), (71, 1143100), (92, 882175), (100, 811601), (115, 705740), (140, 579715), (142, 571550), (161, 504100), (175, 463772), (230, 352870), (284, 285775), (322, 252050), (350, 231886), (355, 228620), (460, 176435), (497, 163300), (575, 141148), (644, 126025), (700, 115943), (710, 114310), (805, 100820), (994, 81650), (1150, 70574), (1420, 57155), (1610, 50410), (1633, 49700), (1775, 45724), (1988, 40825), (2300, 35287), (2485, 32660), (3220, 25205), (3266, 24850), (3550, 22862), (4025, 20164), (4970, 16330), (5041, 16100), (6532, 12425), (7100, 11431), (8050, 10082), (8165, 9940)]