858705950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 1767744000

約数和(自身を除く): 909038050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 71, 95, 142, 145, 190, 290, 355, 439, 475, 551, 710, 725, 878, 950, 1102, 1349, 1450, 1775, 2059, 2195, 2698, 2755, 3550, 4118, 4390, 5510, 6745, 8341, 10295, 10975, 12731, 13490, 13775, 16682, 20590, 21950, 25462, 27550, 31169, 33725, 39121, 41705, 51475, 62338, 63655, 67450, 78242, 83410, 102950, 127310, 155845, 195605, 208525, 241889, 311690, 318275, 391210, 417050, 483778, 592211, 636550, 779225, 903901, 978025, 1184422, 1209445, 1558450, 1807802, 1956050, 2418890, 2961055, 4519505, 5922110, 6047225, 9039010, 12094450, 14805275, 17174119, 22597525, 29610550, 34348238, 45195050, 85870595, 171741190, 429352975, 858705950]

約数ペア:

[(1, 858705950), (2, 429352975), (5, 171741190), (10, 85870595), (19, 45195050), (25, 34348238), (29, 29610550), (38, 22597525), (50, 17174119), (58, 14805275), (71, 12094450), (95, 9039010), (142, 6047225), (145, 5922110), (190, 4519505), (290, 2961055), (355, 2418890), (439, 1956050), (475, 1807802), (551, 1558450), (710, 1209445), (725, 1184422), (878, 978025), (950, 903901), (1102, 779225), (1349, 636550), (1450, 592211), (1775, 483778), (2059, 417050), (2195, 391210), (2698, 318275), (2755, 311690), (3550, 241889), (4118, 208525), (4390, 195605), (5510, 155845), (6745, 127310), (8341, 102950), (10295, 83410), (10975, 78242), (12731, 67450), (13490, 63655), (13775, 62338), (16682, 51475), (20590, 41705), (21950, 39121), (25462, 33725), (27550, 31169)]