161936740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8443}}^1$

素因数の和:8596

約数の個数: 48

約数和(自身を含む): 391531392

約数和(自身を除く): 229594652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 8443, 9590, 16886, 19180, 33772, 42215, 59101, 84430, 118202, 168860, 236404, 295505, 591010, 1156691, 1182020, 2313382, 4626764, 5783455, 8096837, 11566910, 16193674, 23133820, 32387348, 40484185, 80968370, 161936740]

約数ペア:

[(1, 161936740), (2, 80968370), (4, 40484185), (5, 32387348), (7, 23133820), (10, 16193674), (14, 11566910), (20, 8096837), (28, 5783455), (35, 4626764), (70, 2313382), (137, 1182020), (140, 1156691), (274, 591010), (548, 295505), (685, 236404), (959, 168860), (1370, 118202), (1918, 84430), (2740, 59101), (3836, 42215), (4795, 33772), (8443, 19180), (9590, 16886)]