31991475460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{167899}}^1$

素因数の和:169276

約数の個数: 48

約数和(自身を含む): 76836412800

約数和(自身を除く): 44844937340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1361, 2722, 5444, 6805, 9527, 13610, 19054, 27220, 38108, 47635, 95270, 167899, 190540, 335798, 671596, 839495, 1175293, 1678990, 2350586, 3357980, 4701172, 5876465, 11752930, 23505860, 228510539, 457021078, 914042156, 1142552695, 1599573773, 2285105390, 3199147546, 4570210780, 6398295092, 7997868865, 15995737730, 31991475460]

約数ペア:

[(1, 31991475460), (2, 15995737730), (4, 7997868865), (5, 6398295092), (7, 4570210780), (10, 3199147546), (14, 2285105390), (20, 1599573773), (28, 1142552695), (35, 914042156), (70, 457021078), (140, 228510539), (1361, 23505860), (2722, 11752930), (5444, 5876465), (6805, 4701172), (9527, 3357980), (13610, 2350586), (19054, 1678990), (27220, 1175293), (38108, 839495), (47635, 671596), (95270, 335798), (167899, 190540)]