208904640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{4441}}^1$

素因数の和:4475

約数の個数: 168

約数和(自身を含む): 771735312

約数和(自身を除く): 562830672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4441, 4704, 5880, 6720, 7840, 8882, 9408, 11760, 13323, 15680, 17764, 22205, 23520, 26646, 31087, 35528, 44410, 47040, 53292, 62174, 66615, 71056, 88820, 93261, 106584, 124348, 133230, 142112, 155435, 177640, 186522, 213168, 217609, 248696, 266460, 284224, 310870, 355280, 373044, 426336, 435218, 466305, 497392, 532920, 621740, 652827, 710560, 746088, 852672, 870436, 932610, 994784, 1065840, 1088045, 1243480, 1305654, 1421120, 1492176, 1740872, 1865220, 1989568, 2131680, 2176090, 2486960, 2611308, 2984352, 3264135, 3481744, 3730440, 4263360, 4352180, 4973920, 5222616, 5968704, 6528270, 6963488, 7460880, 8704360, 9947840, 10445232, 13056540, 13926976, 14921760, 17408720, 20890464, 26113080, 29843520, 34817440, 41780928, 52226160, 69634880, 104452320, 208904640]

約数ペア:

[(1, 208904640), (2, 104452320), (3, 69634880), (4, 52226160), (5, 41780928), (6, 34817440), (7, 29843520), (8, 26113080), (10, 20890464), (12, 17408720), (14, 14921760), (15, 13926976), (16, 13056540), (20, 10445232), (21, 9947840), (24, 8704360), (28, 7460880), (30, 6963488), (32, 6528270), (35, 5968704), (40, 5222616), (42, 4973920), (48, 4352180), (49, 4263360), (56, 3730440), (60, 3481744), (64, 3264135), (70, 2984352), (80, 2611308), (84, 2486960), (96, 2176090), (98, 2131680), (105, 1989568), (112, 1865220), (120, 1740872), (140, 1492176), (147, 1421120), (160, 1305654), (168, 1243480), (192, 1088045), (196, 1065840), (210, 994784), (224, 932610), (240, 870436), (245, 852672), (280, 746088), (294, 710560), (320, 652827), (336, 621740), (392, 532920), (420, 497392), (448, 466305), (480, 435218), (490, 426336), (560, 373044), (588, 355280), (672, 310870), (735, 284224), (784, 266460), (840, 248696), (960, 217609), (980, 213168), (1120, 186522), (1176, 177640), (1344, 155435), (1470, 142112), (1568, 133230), (1680, 124348), (1960, 106584), (2240, 93261), (2352, 88820), (2940, 71056), (3136, 66615), (3360, 62174), (3920, 53292), (4441, 47040), (4704, 44410), (5880, 35528), (6720, 31087), (7840, 26646), (8882, 23520), (9408, 22205), (11760, 17764), (13323, 15680)]