1990958508

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7723}}^1$

素因数の和:7785

約数の個数: 192

約数和(自身を含む): 6643875840

約数和(自身を除く): 4652917332

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 84, 93, 99, 108, 124, 126, 132, 154, 186, 189, 198, 217, 231, 252, 279, 297, 308, 341, 372, 378, 396, 434, 462, 558, 594, 651, 682, 693, 756, 837, 868, 924, 1023, 1116, 1188, 1302, 1364, 1386, 1674, 1953, 2046, 2079, 2387, 2604, 2772, 3069, 3348, 3906, 4092, 4158, 4774, 5859, 6138, 7161, 7723, 7812, 8316, 9207, 9548, 11718, 12276, 14322, 15446, 18414, 21483, 23169, 23436, 28644, 30892, 36828, 42966, 46338, 54061, 64449, 69507, 84953, 85932, 92676, 108122, 128898, 139014, 162183, 169906, 208521, 216244, 239413, 254859, 257796, 278028, 324366, 339812, 417042, 478826, 486549, 509718, 594671, 648732, 718239, 764577, 834084, 957652, 973098, 1019436, 1189342, 1436478, 1459647, 1529154, 1675891, 1784013, 1946196, 2154717, 2293731, 2378684, 2633543, 2872956, 2919294, 3058308, 3351782, 3568026, 4309434, 4587462, 5027673, 5267086, 5352039, 5838588, 6464151, 6703564, 7136052, 7900629, 8618868, 9174924, 10055346, 10534172, 10704078, 12928302, 15083019, 15801258, 16056117, 18434801, 20110692, 21408156, 23701887, 25856604, 30166038, 31602516, 32112234, 36869602, 45249057, 47403774, 55304403, 60332076, 64224468, 71105661, 73739204, 90498114, 94807548, 110608806, 142211322, 165913209, 180996228, 221217612, 284422644, 331826418, 497739627, 663652836, 995479254, 1990958508]

約数ペア:

[(1, 1990958508), (2, 995479254), (3, 663652836), (4, 497739627), (6, 331826418), (7, 284422644), (9, 221217612), (11, 180996228), (12, 165913209), (14, 142211322), (18, 110608806), (21, 94807548), (22, 90498114), (27, 73739204), (28, 71105661), (31, 64224468), (33, 60332076), (36, 55304403), (42, 47403774), (44, 45249057), (54, 36869602), (62, 32112234), (63, 31602516), (66, 30166038), (77, 25856604), (84, 23701887), (93, 21408156), (99, 20110692), (108, 18434801), (124, 16056117), (126, 15801258), (132, 15083019), (154, 12928302), (186, 10704078), (189, 10534172), (198, 10055346), (217, 9174924), (231, 8618868), (252, 7900629), (279, 7136052), (297, 6703564), (308, 6464151), (341, 5838588), (372, 5352039), (378, 5267086), (396, 5027673), (434, 4587462), (462, 4309434), (558, 3568026), (594, 3351782), (651, 3058308), (682, 2919294), (693, 2872956), (756, 2633543), (837, 2378684), (868, 2293731), (924, 2154717), (1023, 1946196), (1116, 1784013), (1188, 1675891), (1302, 1529154), (1364, 1459647), (1386, 1436478), (1674, 1189342), (1953, 1019436), (2046, 973098), (2079, 957652), (2387, 834084), (2604, 764577), (2772, 718239), (3069, 648732), (3348, 594671), (3906, 509718), (4092, 486549), (4158, 478826), (4774, 417042), (5859, 339812), (6138, 324366), (7161, 278028), (7723, 257796), (7812, 254859), (8316, 239413), (9207, 216244), (9548, 208521), (11718, 169906), (12276, 162183), (14322, 139014), (15446, 128898), (18414, 108122), (21483, 92676), (23169, 85932), (23436, 84953), (28644, 69507), (30892, 64449), (36828, 54061), (42966, 46338)]