391902807640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1051}}^1\times {\mathrm{2741}}^1$

素因数の和:4001

約数の個数: 128

約数和(自身を含む): 934605216000

約数和(自身を除く): 542702408360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 358, 380, 716, 760, 895, 1051, 1432, 1790, 2102, 2741, 3401, 3580, 4204, 5255, 5482, 6802, 7160, 8408, 10510, 10964, 13604, 13705, 17005, 19969, 21020, 21928, 27208, 27410, 34010, 39938, 42040, 52079, 54820, 68020, 79876, 99845, 104158, 109640, 136040, 159752, 188129, 199690, 208316, 260395, 376258, 399380, 416632, 490639, 520790, 752516, 798760, 940645, 981278, 1041580, 1505032, 1881290, 1962556, 2083160, 2453195, 2880791, 3574451, 3762580, 3925112, 4906390, 5761582, 7148902, 7525160, 9322141, 9812780, 11523164, 14297804, 14403955, 17872255, 18644282, 19625560, 23046328, 28595608, 28807910, 35744510, 37288564, 46610705, 54735029, 57615820, 71489020, 74577128, 93221410, 109470058, 115231640, 142978040, 186442820, 218940116, 273675145, 372885640, 437880232, 515661589, 547350290, 1031323178, 1094700580, 2062646356, 2189401160, 2578307945, 4125292712, 5156615890, 9797570191, 10313231780, 19595140382, 20626463560, 39190280764, 48987850955, 78380561528, 97975701910, 195951403820, 391902807640]

約数ペア:

[(1, 391902807640), (2, 195951403820), (4, 97975701910), (5, 78380561528), (8, 48987850955), (10, 39190280764), (19, 20626463560), (20, 19595140382), (38, 10313231780), (40, 9797570191), (76, 5156615890), (95, 4125292712), (152, 2578307945), (179, 2189401160), (190, 2062646356), (358, 1094700580), (380, 1031323178), (716, 547350290), (760, 515661589), (895, 437880232), (1051, 372885640), (1432, 273675145), (1790, 218940116), (2102, 186442820), (2741, 142978040), (3401, 115231640), (3580, 109470058), (4204, 93221410), (5255, 74577128), (5482, 71489020), (6802, 57615820), (7160, 54735029), (8408, 46610705), (10510, 37288564), (10964, 35744510), (13604, 28807910), (13705, 28595608), (17005, 23046328), (19969, 19625560), (21020, 18644282), (21928, 17872255), (27208, 14403955), (27410, 14297804), (34010, 11523164), (39938, 9812780), (42040, 9322141), (52079, 7525160), (54820, 7148902), (68020, 5761582), (79876, 4906390), (99845, 3925112), (104158, 3762580), (109640, 3574451), (136040, 2880791), (159752, 2453195), (188129, 2083160), (199690, 1962556), (208316, 1881290), (260395, 1505032), (376258, 1041580), (399380, 981278), (416632, 940645), (490639, 798760), (520790, 752516)]