51511700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 119726712

約数和(自身を除く): 68215012

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 157, 170, 193, 314, 340, 386, 425, 628, 772, 785, 850, 965, 1570, 1700, 1930, 2669, 3140, 3281, 3860, 3925, 4825, 5338, 6562, 7850, 9650, 10676, 13124, 13345, 15700, 16405, 19300, 26690, 30301, 32810, 53380, 60602, 65620, 66725, 82025, 121204, 133450, 151505, 164050, 266900, 303010, 328100, 515117, 606020, 757525, 1030234, 1515050, 2060468, 2575585, 3030100, 5151170, 10302340, 12877925, 25755850, 51511700]

約数ペア:

[(1, 51511700), (2, 25755850), (4, 12877925), (5, 10302340), (10, 5151170), (17, 3030100), (20, 2575585), (25, 2060468), (34, 1515050), (50, 1030234), (68, 757525), (85, 606020), (100, 515117), (157, 328100), (170, 303010), (193, 266900), (314, 164050), (340, 151505), (386, 133450), (425, 121204), (628, 82025), (772, 66725), (785, 65620), (850, 60602), (965, 53380), (1570, 32810), (1700, 30301), (1930, 26690), (2669, 19300), (3140, 16405), (3281, 15700), (3860, 13345), (3925, 13124), (4825, 10676), (5338, 9650), (6562, 7850)]