213754180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 507144960

約数和(自身を除く): 293390780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 37, 38, 46, 74, 76, 92, 95, 115, 148, 185, 190, 230, 370, 380, 437, 460, 661, 703, 740, 851, 874, 1322, 1406, 1702, 1748, 2185, 2644, 2812, 3305, 3404, 3515, 4255, 4370, 6610, 7030, 8510, 8740, 12559, 13220, 14060, 15203, 16169, 17020, 24457, 25118, 30406, 32338, 48914, 50236, 60812, 62795, 64676, 76015, 80845, 97828, 122285, 125590, 152030, 161690, 244570, 251180, 288857, 304060, 323380, 464683, 489140, 562511, 577714, 929366, 1125022, 1155428, 1444285, 1858732, 2250044, 2323415, 2812555, 2888570, 4646830, 5625110, 5777140, 9293660, 10687709, 11250220, 21375418, 42750836, 53438545, 106877090, 213754180]

約数ペア:

[(1, 213754180), (2, 106877090), (4, 53438545), (5, 42750836), (10, 21375418), (19, 11250220), (20, 10687709), (23, 9293660), (37, 5777140), (38, 5625110), (46, 4646830), (74, 2888570), (76, 2812555), (92, 2323415), (95, 2250044), (115, 1858732), (148, 1444285), (185, 1155428), (190, 1125022), (230, 929366), (370, 577714), (380, 562511), (437, 489140), (460, 464683), (661, 323380), (703, 304060), (740, 288857), (851, 251180), (874, 244570), (1322, 161690), (1406, 152030), (1702, 125590), (1748, 122285), (2185, 97828), (2644, 80845), (2812, 76015), (3305, 64676), (3404, 62795), (3515, 60812), (4255, 50236), (4370, 48914), (6610, 32338), (7030, 30406), (8510, 25118), (8740, 24457), (12559, 17020), (13220, 16169), (14060, 15203)]