85217660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 218907360

約数和(自身を除く): 133689700

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 37, 38, 44, 55, 58, 74, 76, 95, 110, 116, 145, 148, 185, 190, 209, 220, 290, 319, 361, 370, 380, 407, 418, 551, 580, 638, 703, 722, 740, 814, 836, 1045, 1073, 1102, 1276, 1406, 1444, 1595, 1628, 1805, 2035, 2090, 2146, 2204, 2755, 2812, 3190, 3515, 3610, 3971, 4070, 4180, 4292, 5365, 5510, 6061, 6380, 7030, 7220, 7733, 7942, 8140, 10469, 10730, 11020, 11803, 12122, 13357, 14060, 15466, 15884, 19855, 20387, 20938, 21460, 23606, 24244, 26714, 30305, 30932, 38665, 39710, 40774, 41876, 47212, 52345, 53428, 59015, 60610, 66785, 77330, 79420, 81548, 101935, 104690, 115159, 118030, 121220, 133570, 146927, 154660, 203870, 209380, 224257, 230318, 236060, 267140, 293854, 387353, 407740, 448514, 460636, 575795, 587708, 734635, 774706, 897028, 1121285, 1151590, 1469270, 1549412, 1936765, 2242570, 2303180, 2938540, 3873530, 4260883, 4485140, 7747060, 8521766, 17043532, 21304415, 42608830, 85217660]

約数ペア:

[(1, 85217660), (2, 42608830), (4, 21304415), (5, 17043532), (10, 8521766), (11, 7747060), (19, 4485140), (20, 4260883), (22, 3873530), (29, 2938540), (37, 2303180), (38, 2242570), (44, 1936765), (55, 1549412), (58, 1469270), (74, 1151590), (76, 1121285), (95, 897028), (110, 774706), (116, 734635), (145, 587708), (148, 575795), (185, 460636), (190, 448514), (209, 407740), (220, 387353), (290, 293854), (319, 267140), (361, 236060), (370, 230318), (380, 224257), (407, 209380), (418, 203870), (551, 154660), (580, 146927), (638, 133570), (703, 121220), (722, 118030), (740, 115159), (814, 104690), (836, 101935), (1045, 81548), (1073, 79420), (1102, 77330), (1276, 66785), (1406, 60610), (1444, 59015), (1595, 53428), (1628, 52345), (1805, 47212), (2035, 41876), (2090, 40774), (2146, 39710), (2204, 38665), (2755, 30932), (2812, 30305), (3190, 26714), (3515, 24244), (3610, 23606), (3971, 21460), (4070, 20938), (4180, 20387), (4292, 19855), (5365, 15884), (5510, 15466), (6061, 14060), (6380, 13357), (7030, 12122), (7220, 11803), (7733, 11020), (7942, 10730), (8140, 10469)]