991416580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1170

約数の個数: 192

約数和(自身を含む): 2823045120

約数和(自身を除く): 1831628540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 44, 55, 62, 70, 76, 77, 95, 110, 124, 133, 140, 154, 155, 190, 209, 217, 220, 266, 308, 310, 341, 380, 385, 418, 434, 532, 589, 620, 665, 682, 770, 836, 868, 1045, 1085, 1093, 1178, 1330, 1364, 1463, 1540, 1705, 2090, 2170, 2186, 2356, 2387, 2660, 2926, 2945, 3410, 4123, 4180, 4340, 4372, 4774, 5465, 5852, 5890, 6479, 6820, 7315, 7651, 8246, 9548, 10930, 11780, 11935, 12023, 12958, 14630, 15302, 16492, 20615, 20767, 21860, 23870, 24046, 25916, 29260, 30604, 32395, 33883, 38255, 41230, 41534, 45353, 47740, 48092, 60115, 64790, 67766, 76510, 82460, 83068, 84161, 90706, 103835, 120230, 129580, 135532, 145369, 153020, 168322, 169415, 181412, 207670, 226765, 228437, 237181, 240460, 290738, 336644, 338830, 372713, 415340, 420805, 453530, 456874, 474362, 581476, 643777, 677660, 726845, 745426, 841610, 907060, 913748, 948724, 1142185, 1185905, 1287554, 1453690, 1490852, 1599059, 1683220, 1863565, 2284370, 2371810, 2575108, 2608991, 2907380, 3198118, 3218885, 3727130, 4506439, 4568740, 4743620, 5217982, 6396236, 6437770, 7081547, 7454260, 7995295, 9012878, 10435964, 12875540, 13044955, 14163094, 15990590, 18025756, 22532195, 26089910, 28326188, 31981180, 35407735, 45064390, 49570829, 52179820, 70815470, 90128780, 99141658, 141630940, 198283316, 247854145, 495708290, 991416580]

約数ペア:

[(1, 991416580), (2, 495708290), (4, 247854145), (5, 198283316), (7, 141630940), (10, 99141658), (11, 90128780), (14, 70815470), (19, 52179820), (20, 49570829), (22, 45064390), (28, 35407735), (31, 31981180), (35, 28326188), (38, 26089910), (44, 22532195), (55, 18025756), (62, 15990590), (70, 14163094), (76, 13044955), (77, 12875540), (95, 10435964), (110, 9012878), (124, 7995295), (133, 7454260), (140, 7081547), (154, 6437770), (155, 6396236), (190, 5217982), (209, 4743620), (217, 4568740), (220, 4506439), (266, 3727130), (308, 3218885), (310, 3198118), (341, 2907380), (380, 2608991), (385, 2575108), (418, 2371810), (434, 2284370), (532, 1863565), (589, 1683220), (620, 1599059), (665, 1490852), (682, 1453690), (770, 1287554), (836, 1185905), (868, 1142185), (1045, 948724), (1085, 913748), (1093, 907060), (1178, 841610), (1330, 745426), (1364, 726845), (1463, 677660), (1540, 643777), (1705, 581476), (2090, 474362), (2170, 456874), (2186, 453530), (2356, 420805), (2387, 415340), (2660, 372713), (2926, 338830), (2945, 336644), (3410, 290738), (4123, 240460), (4180, 237181), (4340, 228437), (4372, 226765), (4774, 207670), (5465, 181412), (5852, 169415), (5890, 168322), (6479, 153020), (6820, 145369), (7315, 135532), (7651, 129580), (8246, 120230), (9548, 103835), (10930, 90706), (11780, 84161), (11935, 83068), (12023, 82460), (12958, 76510), (14630, 67766), (15302, 64790), (16492, 60115), (20615, 48092), (20767, 47740), (21860, 45353), (23870, 41534), (24046, 41230), (25916, 38255), (29260, 33883), (30604, 32395)]