71398580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 184343040

約数和(自身を除く): 112944460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 31, 38, 44, 55, 58, 62, 76, 95, 110, 116, 124, 145, 155, 190, 209, 220, 290, 310, 319, 341, 361, 380, 418, 551, 580, 589, 620, 638, 682, 722, 836, 899, 1045, 1102, 1178, 1276, 1364, 1444, 1595, 1705, 1798, 1805, 2090, 2204, 2356, 2755, 2945, 3190, 3410, 3596, 3610, 3971, 4180, 4495, 5510, 5890, 6061, 6380, 6479, 6820, 7220, 7942, 8990, 9889, 10469, 11020, 11191, 11780, 12122, 12958, 15884, 17081, 17980, 19778, 19855, 20938, 22382, 24244, 25916, 30305, 32395, 34162, 39556, 39710, 41876, 44764, 49445, 52345, 55955, 60610, 64790, 68324, 79420, 85405, 98890, 104690, 111910, 115159, 121220, 123101, 129580, 170810, 187891, 197780, 209380, 223820, 230318, 246202, 324539, 341620, 375782, 460636, 492404, 575795, 615505, 649078, 751564, 939455, 1151590, 1231010, 1298156, 1622695, 1878910, 2303180, 2462020, 3245390, 3569929, 3757820, 6490780, 7139858, 14279716, 17849645, 35699290, 71398580]

約数ペア:

[(1, 71398580), (2, 35699290), (4, 17849645), (5, 14279716), (10, 7139858), (11, 6490780), (19, 3757820), (20, 3569929), (22, 3245390), (29, 2462020), (31, 2303180), (38, 1878910), (44, 1622695), (55, 1298156), (58, 1231010), (62, 1151590), (76, 939455), (95, 751564), (110, 649078), (116, 615505), (124, 575795), (145, 492404), (155, 460636), (190, 375782), (209, 341620), (220, 324539), (290, 246202), (310, 230318), (319, 223820), (341, 209380), (361, 197780), (380, 187891), (418, 170810), (551, 129580), (580, 123101), (589, 121220), (620, 115159), (638, 111910), (682, 104690), (722, 98890), (836, 85405), (899, 79420), (1045, 68324), (1102, 64790), (1178, 60610), (1276, 55955), (1364, 52345), (1444, 49445), (1595, 44764), (1705, 41876), (1798, 39710), (1805, 39556), (2090, 34162), (2204, 32395), (2356, 30305), (2755, 25916), (2945, 24244), (3190, 22382), (3410, 20938), (3596, 19855), (3610, 19778), (3971, 17980), (4180, 17081), (4495, 15884), (5510, 12958), (5890, 12122), (6061, 11780), (6380, 11191), (6479, 11020), (6820, 10469), (7220, 9889), (7942, 8990)]