490556820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 1580544000

約数和(自身を除く): 1089987180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 79, 95, 114, 130, 156, 158, 190, 195, 228, 237, 247, 260, 285, 316, 380, 390, 395, 419, 474, 494, 570, 741, 780, 790, 838, 948, 988, 1027, 1140, 1185, 1235, 1257, 1482, 1501, 1580, 1676, 2054, 2095, 2370, 2470, 2514, 2964, 3002, 3081, 3705, 4108, 4190, 4503, 4740, 4940, 5028, 5135, 5447, 6004, 6162, 6285, 7410, 7505, 7961, 8380, 9006, 10270, 10894, 12324, 12570, 14820, 15010, 15405, 15922, 16341, 18012, 19513, 20540, 21788, 22515, 23883, 25140, 27235, 30020, 30810, 31844, 32682, 33101, 39026, 39805, 45030, 47766, 54470, 58539, 61620, 65364, 66202, 78052, 79610, 81705, 90060, 95532, 97565, 99303, 103493, 108940, 117078, 119415, 132404, 159220, 163410, 165505, 195130, 198606, 206986, 234156, 238830, 292695, 310479, 326820, 331010, 390260, 397212, 413972, 430313, 477660, 496515, 517465, 585390, 620958, 628919, 662020, 860626, 993030, 1034930, 1170780, 1241916, 1257838, 1290939, 1552395, 1721252, 1886757, 1986060, 2069860, 2151565, 2515676, 2581878, 3104790, 3144595, 3773514, 4303130, 5163756, 6209580, 6289190, 6454695, 7547028, 8175947, 8606260, 9433785, 12578380, 12909390, 16351894, 18867570, 24527841, 25818780, 32703788, 37735140, 40879735, 49055682, 81759470, 98111364, 122639205, 163518940, 245278410, 490556820]

約数ペア:

[(1, 490556820), (2, 245278410), (3, 163518940), (4, 122639205), (5, 98111364), (6, 81759470), (10, 49055682), (12, 40879735), (13, 37735140), (15, 32703788), (19, 25818780), (20, 24527841), (26, 18867570), (30, 16351894), (38, 12909390), (39, 12578380), (52, 9433785), (57, 8606260), (60, 8175947), (65, 7547028), (76, 6454695), (78, 6289190), (79, 6209580), (95, 5163756), (114, 4303130), (130, 3773514), (156, 3144595), (158, 3104790), (190, 2581878), (195, 2515676), (228, 2151565), (237, 2069860), (247, 1986060), (260, 1886757), (285, 1721252), (316, 1552395), (380, 1290939), (390, 1257838), (395, 1241916), (419, 1170780), (474, 1034930), (494, 993030), (570, 860626), (741, 662020), (780, 628919), (790, 620958), (838, 585390), (948, 517465), (988, 496515), (1027, 477660), (1140, 430313), (1185, 413972), (1235, 397212), (1257, 390260), (1482, 331010), (1501, 326820), (1580, 310479), (1676, 292695), (2054, 238830), (2095, 234156), (2370, 206986), (2470, 198606), (2514, 195130), (2964, 165505), (3002, 163410), (3081, 159220), (3705, 132404), (4108, 119415), (4190, 117078), (4503, 108940), (4740, 103493), (4940, 99303), (5028, 97565), (5135, 95532), (5447, 90060), (6004, 81705), (6162, 79610), (6285, 78052), (7410, 66202), (7505, 65364), (7961, 61620), (8380, 58539), (9006, 54470), (10270, 47766), (10894, 45030), (12324, 39805), (12570, 39026), (14820, 33101), (15010, 32682), (15405, 31844), (15922, 30810), (16341, 30020), (18012, 27235), (19513, 25140), (20540, 23883), (21788, 22515)]