616996900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3623}}^1$

素因数の和:3781

約数の個数: 72

約数和(自身を含む): 1453281984

約数和(自身を除く): 836285084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 131, 260, 262, 325, 524, 650, 655, 1300, 1310, 1703, 2620, 3275, 3406, 3623, 6550, 6812, 7246, 8515, 13100, 14492, 17030, 18115, 34060, 36230, 42575, 47099, 72460, 85150, 90575, 94198, 170300, 181150, 188396, 235495, 362300, 470990, 474613, 941980, 949226, 1177475, 1898452, 2354950, 2373065, 4709900, 4746130, 6169969, 9492260, 11865325, 12339938, 23730650, 24679876, 30849845, 47461300, 61699690, 123399380, 154249225, 308498450, 616996900]

約数ペア:

[(1, 616996900), (2, 308498450), (4, 154249225), (5, 123399380), (10, 61699690), (13, 47461300), (20, 30849845), (25, 24679876), (26, 23730650), (50, 12339938), (52, 11865325), (65, 9492260), (100, 6169969), (130, 4746130), (131, 4709900), (260, 2373065), (262, 2354950), (325, 1898452), (524, 1177475), (650, 949226), (655, 941980), (1300, 474613), (1310, 470990), (1703, 362300), (2620, 235495), (3275, 188396), (3406, 181150), (3623, 170300), (6550, 94198), (6812, 90575), (7246, 85150), (8515, 72460), (13100, 47099), (14492, 42575), (17030, 36230), (18115, 34060)]