42070028

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 107251200

約数和(自身を除く): 65181172

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 49, 52, 76, 77, 79, 91, 98, 133, 143, 154, 158, 182, 196, 209, 247, 266, 286, 308, 316, 364, 418, 494, 532, 539, 553, 572, 637, 836, 869, 931, 988, 1001, 1027, 1078, 1106, 1274, 1463, 1501, 1729, 1738, 1862, 2002, 2054, 2156, 2212, 2548, 2717, 2926, 3002, 3458, 3476, 3724, 3871, 4004, 4108, 5434, 5852, 6004, 6083, 6916, 7007, 7189, 7742, 10241, 10507, 10868, 11297, 12103, 12166, 14014, 14378, 15484, 16511, 19019, 19513, 20482, 21014, 22594, 24206, 24332, 28028, 28756, 33022, 38038, 39026, 40964, 42028, 42581, 45188, 48412, 50323, 66044, 73549, 76076, 78052, 79079, 85162, 100646, 115577, 133133, 136591, 147098, 158158, 170324, 201292, 214643, 231154, 266266, 273182, 294196, 316316, 429286, 462308, 532532, 546364, 553553, 809039, 858572, 956137, 1107106, 1502501, 1618078, 1912274, 2214212, 3005002, 3236156, 3824548, 6010004, 10517507, 21035014, 42070028]

約数ペア:

[(1, 42070028), (2, 21035014), (4, 10517507), (7, 6010004), (11, 3824548), (13, 3236156), (14, 3005002), (19, 2214212), (22, 1912274), (26, 1618078), (28, 1502501), (38, 1107106), (44, 956137), (49, 858572), (52, 809039), (76, 553553), (77, 546364), (79, 532532), (91, 462308), (98, 429286), (133, 316316), (143, 294196), (154, 273182), (158, 266266), (182, 231154), (196, 214643), (209, 201292), (247, 170324), (266, 158158), (286, 147098), (308, 136591), (316, 133133), (364, 115577), (418, 100646), (494, 85162), (532, 79079), (539, 78052), (553, 76076), (572, 73549), (637, 66044), (836, 50323), (869, 48412), (931, 45188), (988, 42581), (1001, 42028), (1027, 40964), (1078, 39026), (1106, 38038), (1274, 33022), (1463, 28756), (1501, 28028), (1729, 24332), (1738, 24206), (1862, 22594), (2002, 21014), (2054, 20482), (2156, 19513), (2212, 19019), (2548, 16511), (2717, 15484), (2926, 14378), (3002, 14014), (3458, 12166), (3476, 12103), (3724, 11297), (3871, 10868), (4004, 10507), (4108, 10241), (5434, 7742), (5852, 7189), (6004, 7007), (6083, 6916)]