89797960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4517}}^1$

素因数の和:4606

約数の個数: 64

約数和(自身を含む): 234213120

約数和(自身を除く): 144415160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4517, 4970, 9034, 9940, 18068, 19880, 22585, 31619, 36136, 45170, 63238, 90340, 126476, 158095, 180680, 252952, 316190, 320707, 632380, 641414, 1264760, 1282828, 1603535, 2244949, 2565656, 3207070, 4489898, 6414140, 8979796, 11224745, 12828280, 17959592, 22449490, 44898980, 89797960]

約数ペア:

[(1, 89797960), (2, 44898980), (4, 22449490), (5, 17959592), (7, 12828280), (8, 11224745), (10, 8979796), (14, 6414140), (20, 4489898), (28, 3207070), (35, 2565656), (40, 2244949), (56, 1603535), (70, 1282828), (71, 1264760), (140, 641414), (142, 632380), (280, 320707), (284, 316190), (355, 252952), (497, 180680), (568, 158095), (710, 126476), (994, 90340), (1420, 63238), (1988, 45170), (2485, 36136), (2840, 31619), (3976, 22585), (4517, 19880), (4970, 18068), (9034, 9940)]