281628900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{4967}}^1$

素因数の和:5000

約数の個数: 180

約数和(自身を含む): 1043558208

約数和(自身を除く): 761929308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 3150, 3780, 4050, 4725, 4967, 5670, 6300, 8100, 9450, 9934, 11340, 14175, 14901, 18900, 19868, 24835, 28350, 29802, 34769, 44703, 49670, 56700, 59604, 69538, 74505, 89406, 99340, 104307, 124175, 134109, 139076, 149010, 173845, 178812, 208614, 223515, 248350, 268218, 298020, 312921, 347690, 372525, 402327, 417228, 447030, 496700, 521535, 536436, 625842, 670545, 695380, 745050, 804654, 869225, 894060, 938763, 1043070, 1117575, 1251684, 1341090, 1490100, 1564605, 1609308, 1738450, 1877526, 2011635, 2086140, 2235150, 2607675, 2682180, 2816289, 3129210, 3352725, 3476900, 3755052, 4023270, 4470300, 4693815, 5215350, 5632578, 6258420, 6705450, 7823025, 8046540, 9387630, 10058175, 10430700, 11265156, 13410900, 14081445, 15646050, 18775260, 20116350, 23469075, 28162890, 31292100, 40232700, 46938150, 56325780, 70407225, 93876300, 140814450, 281628900]

約数ペア:

[(1, 281628900), (2, 140814450), (3, 93876300), (4, 70407225), (5, 56325780), (6, 46938150), (7, 40232700), (9, 31292100), (10, 28162890), (12, 23469075), (14, 20116350), (15, 18775260), (18, 15646050), (20, 14081445), (21, 13410900), (25, 11265156), (27, 10430700), (28, 10058175), (30, 9387630), (35, 8046540), (36, 7823025), (42, 6705450), (45, 6258420), (50, 5632578), (54, 5215350), (60, 4693815), (63, 4470300), (70, 4023270), (75, 3755052), (81, 3476900), (84, 3352725), (90, 3129210), (100, 2816289), (105, 2682180), (108, 2607675), (126, 2235150), (135, 2086140), (140, 2011635), (150, 1877526), (162, 1738450), (175, 1609308), (180, 1564605), (189, 1490100), (210, 1341090), (225, 1251684), (252, 1117575), (270, 1043070), (300, 938763), (315, 894060), (324, 869225), (350, 804654), (378, 745050), (405, 695380), (420, 670545), (450, 625842), (525, 536436), (540, 521535), (567, 496700), (630, 447030), (675, 417228), (700, 402327), (756, 372525), (810, 347690), (900, 312921), (945, 298020), (1050, 268218), (1134, 248350), (1260, 223515), (1350, 208614), (1575, 178812), (1620, 173845), (1890, 149010), (2025, 139076), (2100, 134109), (2268, 124175), (2700, 104307), (2835, 99340), (3150, 89406), (3780, 74505), (4050, 69538), (4725, 59604), (4967, 56700), (5670, 49670), (6300, 44703), (8100, 34769), (9450, 29802), (9934, 28350), (11340, 24835), (14175, 19868), (14901, 18900)]