861740030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 1677049920

約数和(自身を除く): 815309890

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 157, 166, 170, 314, 389, 415, 778, 785, 830, 1411, 1570, 1945, 2669, 2822, 3890, 5338, 6613, 7055, 13031, 13226, 13345, 14110, 26062, 26690, 32287, 33065, 61073, 64574, 65155, 66130, 122146, 130310, 161435, 221527, 305365, 322870, 443054, 548879, 610730, 1038241, 1097758, 1107635, 2076482, 2215270, 2744395, 5069059, 5191205, 5488790, 10138118, 10382410, 25345295, 50690590, 86174003, 172348006, 430870015, 861740030]

約数ペア:

[(1, 861740030), (2, 430870015), (5, 172348006), (10, 86174003), (17, 50690590), (34, 25345295), (83, 10382410), (85, 10138118), (157, 5488790), (166, 5191205), (170, 5069059), (314, 2744395), (389, 2215270), (415, 2076482), (778, 1107635), (785, 1097758), (830, 1038241), (1411, 610730), (1570, 548879), (1945, 443054), (2669, 322870), (2822, 305365), (3890, 221527), (5338, 161435), (6613, 130310), (7055, 122146), (13031, 66130), (13226, 65155), (13345, 64574), (14110, 61073), (26062, 33065), (26690, 32287)]