90790840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6899}}^1$

素因数の和:6964

約数の個数: 64

約数和(自身を含む): 238464000

約数和(自身を除く): 147673160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 6899, 13160, 13798, 27596, 34495, 48293, 55192, 68990, 96586, 137980, 193172, 241465, 275960, 324253, 386344, 482930, 648506, 965860, 1297012, 1621265, 1931720, 2269771, 2594024, 3242530, 4539542, 6485060, 9079084, 11348855, 12970120, 18158168, 22697710, 45395420, 90790840]

約数ペア:

[(1, 90790840), (2, 45395420), (4, 22697710), (5, 18158168), (7, 12970120), (8, 11348855), (10, 9079084), (14, 6485060), (20, 4539542), (28, 3242530), (35, 2594024), (40, 2269771), (47, 1931720), (56, 1621265), (70, 1297012), (94, 965860), (140, 648506), (188, 482930), (235, 386344), (280, 324253), (329, 275960), (376, 241465), (470, 193172), (658, 137980), (940, 96586), (1316, 68990), (1645, 55192), (1880, 48293), (2632, 34495), (3290, 27596), (6580, 13798), (6899, 13160)]