231546740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 502822992

約数和(自身を除く): 271276252

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 628, 740, 785, 1570, 1993, 3140, 3986, 5809, 7972, 9965, 11618, 19930, 23236, 29045, 39860, 58090, 73741, 116180, 147482, 294964, 312901, 368705, 625802, 737410, 1251604, 1474820, 1564505, 3129010, 6258020, 11577337, 23154674, 46309348, 57886685, 115773370, 231546740]

約数ペア:

[(1, 231546740), (2, 115773370), (4, 57886685), (5, 46309348), (10, 23154674), (20, 11577337), (37, 6258020), (74, 3129010), (148, 1564505), (157, 1474820), (185, 1251604), (314, 737410), (370, 625802), (628, 368705), (740, 312901), (785, 294964), (1570, 147482), (1993, 116180), (3140, 73741), (3986, 58090), (5809, 39860), (7972, 29045), (9965, 23236), (11618, 19930)]