72078430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 132580800

約数和(自身を除く): 60502370

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 445, 545, 743, 890, 1090, 1486, 3715, 7430, 9701, 19402, 48505, 66127, 80987, 97010, 132254, 161974, 330635, 404935, 661270, 809870, 7207843, 14415686, 36039215, 72078430]

約数ペア:

[(1, 72078430), (2, 36039215), (5, 14415686), (10, 7207843), (89, 809870), (109, 661270), (178, 404935), (218, 330635), (445, 161974), (545, 132254), (743, 97010), (890, 80987), (1090, 66127), (1486, 48505), (3715, 19402), (7430, 9701)]