98028280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4931}}^1$

素因数の和:5020

約数の個数: 64

約数和(自身を含む): 255674880

約数和(自身を除く): 157646600

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, 4931, 4970, 9862, 9940, 19724, 19880, 24655, 34517, 39448, 49310, 69034, 98620, 138068, 172585, 197240, 276136, 345170, 350101, 690340, 700202, 1380680, 1400404, 1750505, 2450707, 2800808, 3501010, 4901414, 7002020, 9802828, 12253535, 14004040, 19605656, 24507070, 49014140, 98028280]

約数ペア:

[(1, 98028280), (2, 49014140), (4, 24507070), (5, 19605656), (7, 14004040), (8, 12253535), (10, 9802828), (14, 7002020), (20, 4901414), (28, 3501010), (35, 2800808), (40, 2450707), (56, 1750505), (70, 1400404), (71, 1380680), (140, 700202), (142, 690340), (280, 350101), (284, 345170), (355, 276136), (497, 197240), (568, 172585), (710, 138068), (994, 98620), (1420, 69034), (1988, 49310), (2485, 39448), (2840, 34517), (3976, 24655), (4931, 19880), (4970, 19724), (9862, 9940)]