51298180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 118611864

約数和(自身を除く): 67313684

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 157, 170, 310, 314, 340, 527, 620, 628, 785, 961, 1054, 1570, 1922, 2108, 2635, 2669, 3140, 3844, 4805, 4867, 5270, 5338, 9610, 9734, 10540, 10676, 13345, 16337, 19220, 19468, 24335, 26690, 32674, 48670, 53380, 65348, 81685, 82739, 97340, 150877, 163370, 165478, 301754, 326740, 330956, 413695, 603508, 754385, 827390, 1508770, 1654780, 2564909, 3017540, 5129818, 10259636, 12824545, 25649090, 51298180]

約数ペア:

[(1, 51298180), (2, 25649090), (4, 12824545), (5, 10259636), (10, 5129818), (17, 3017540), (20, 2564909), (31, 1654780), (34, 1508770), (62, 827390), (68, 754385), (85, 603508), (124, 413695), (155, 330956), (157, 326740), (170, 301754), (310, 165478), (314, 163370), (340, 150877), (527, 97340), (620, 82739), (628, 81685), (785, 65348), (961, 53380), (1054, 48670), (1570, 32674), (1922, 26690), (2108, 24335), (2635, 19468), (2669, 19220), (3140, 16337), (3844, 13345), (4805, 10676), (4867, 10540), (5270, 9734), (5338, 9610)]