198954070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40031}}^1$

素因数の和:40116

約数の個数: 32

約数和(自身を含む): 415051776

約数和(自身を除く): 216097706

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 40031, 80062, 200155, 280217, 400310, 560434, 1401085, 2802170, 2842201, 5684402, 14211005, 19895407, 28422010, 39790814, 99477035, 198954070]

約数ペア:

[(1, 198954070), (2, 99477035), (5, 39790814), (7, 28422010), (10, 19895407), (14, 14211005), (35, 5684402), (70, 2842201), (71, 2802170), (142, 1401085), (355, 560434), (497, 400310), (710, 280217), (994, 200155), (2485, 80062), (4970, 40031)]