22071980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4314

約数の個数: 48

約数和(自身を含む): 54417216

約数和(自身を除く): 32345236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 4261, 5180, 8522, 17044, 21305, 29827, 42610, 59654, 85220, 119308, 149135, 157657, 298270, 315314, 596540, 630628, 788285, 1103599, 1576570, 2207198, 3153140, 4414396, 5517995, 11035990, 22071980]

約数ペア:

[(1, 22071980), (2, 11035990), (4, 5517995), (5, 4414396), (7, 3153140), (10, 2207198), (14, 1576570), (20, 1103599), (28, 788285), (35, 630628), (37, 596540), (70, 315314), (74, 298270), (140, 157657), (148, 149135), (185, 119308), (259, 85220), (370, 59654), (518, 42610), (740, 29827), (1036, 21305), (1295, 17044), (2590, 8522), (4261, 5180)]