72104860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 84750020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 695, 701, 740, 1390, 1402, 2780, 2804, 3505, 5143, 7010, 10286, 14020, 20572, 25715, 25937, 51430, 51874, 97439, 102860, 103748, 129685, 194878, 259370, 389756, 487195, 518740, 974390, 1948780, 3605243, 7210486, 14420972, 18026215, 36052430, 72104860]

約数ペア:

[(1, 72104860), (2, 36052430), (4, 18026215), (5, 14420972), (10, 7210486), (20, 3605243), (37, 1948780), (74, 974390), (139, 518740), (148, 487195), (185, 389756), (278, 259370), (370, 194878), (556, 129685), (695, 103748), (701, 102860), (740, 97439), (1390, 51874), (1402, 51430), (2780, 25937), (2804, 25715), (3505, 20572), (5143, 14020), (7010, 10286)]