195042680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9811}}^1$

素因数の和:9900

約数の個数: 64

約数和(自身を含む): 508654080

約数和(自身を除く): 313611400

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, 4970, 9811, 9940, 19622, 19880, 39244, 49055, 68677, 78488, 98110, 137354, 196220, 274708, 343385, 392440, 549416, 686770, 696581, 1373540, 1393162, 2747080, 2786324, 3482905, 4876067, 5572648, 6965810, 9752134, 13931620, 19504268, 24380335, 27863240, 39008536, 48760670, 97521340, 195042680]

約数ペア:

[(1, 195042680), (2, 97521340), (4, 48760670), (5, 39008536), (7, 27863240), (8, 24380335), (10, 19504268), (14, 13931620), (20, 9752134), (28, 6965810), (35, 5572648), (40, 4876067), (56, 3482905), (70, 2786324), (71, 2747080), (140, 1393162), (142, 1373540), (280, 696581), (284, 686770), (355, 549416), (497, 392440), (568, 343385), (710, 274708), (994, 196220), (1420, 137354), (1988, 98110), (2485, 78488), (2840, 68677), (3976, 49055), (4970, 39244), (9811, 19880), (9940, 19622)]