207921370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15413}}^1$

素因数の和:15510

約数の個数: 32

約数和(自身を含む): 399530880

約数和(自身を除く): 191609510

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 15413, 30826, 77065, 154130, 292847, 585694, 1094323, 1464235, 2188646, 2928470, 5471615, 10943230, 20792137, 41584274, 103960685, 207921370]

約数ペア:

[(1, 207921370), (2, 103960685), (5, 41584274), (10, 20792137), (19, 10943230), (38, 5471615), (71, 2928470), (95, 2188646), (142, 1464235), (190, 1094323), (355, 585694), (710, 292847), (1349, 154130), (2698, 77065), (6745, 30826), (13490, 15413)]