289160920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4157}}^1$

素因数の和:4252

約数の個数: 64

約数和(自身を含む): 682577280

約数和(自身を除く): 393416360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 3478, 4157, 6956, 8314, 8695, 13912, 16628, 17390, 20785, 33256, 34780, 41570, 69560, 83140, 153809, 166280, 195379, 307618, 390758, 615236, 769045, 781516, 976895, 1230472, 1538090, 1563032, 1953790, 3076180, 3907580, 6152360, 7229023, 7815160, 14458046, 28916092, 36145115, 57832184, 72290230, 144580460, 289160920]

約数ペア:

[(1, 289160920), (2, 144580460), (4, 72290230), (5, 57832184), (8, 36145115), (10, 28916092), (20, 14458046), (37, 7815160), (40, 7229023), (47, 6152360), (74, 3907580), (94, 3076180), (148, 1953790), (185, 1563032), (188, 1538090), (235, 1230472), (296, 976895), (370, 781516), (376, 769045), (470, 615236), (740, 390758), (940, 307618), (1480, 195379), (1739, 166280), (1880, 153809), (3478, 83140), (4157, 69560), (6956, 41570), (8314, 34780), (8695, 33256), (13912, 20785), (16628, 17390)]