164421710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^2$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 319471776

約数和(自身を除く): 155050066

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 139, 185, 230, 278, 370, 695, 851, 1390, 1702, 3197, 4255, 5143, 6394, 8510, 10286, 15985, 19321, 25715, 31970, 38642, 51430, 96605, 118289, 193210, 236578, 444383, 591445, 714877, 888766, 1182890, 1429754, 2221915, 3574385, 4443830, 7148770, 16442171, 32884342, 82210855, 164421710]

約数ペア:

[(1, 164421710), (2, 82210855), (5, 32884342), (10, 16442171), (23, 7148770), (37, 4443830), (46, 3574385), (74, 2221915), (115, 1429754), (139, 1182890), (185, 888766), (230, 714877), (278, 591445), (370, 444383), (695, 236578), (851, 193210), (1390, 118289), (1702, 96605), (3197, 51430), (4255, 38642), (5143, 31970), (6394, 25715), (8510, 19321), (10286, 15985)]