428424640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 168

約数和(自身を含む): 1203990480

約数和(自身を除く): 775565840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 89, 98, 112, 140, 160, 178, 196, 224, 245, 280, 307, 320, 356, 392, 445, 448, 490, 560, 614, 623, 712, 784, 890, 980, 1120, 1228, 1246, 1424, 1535, 1568, 1780, 1960, 2149, 2240, 2456, 2492, 2848, 3070, 3115, 3136, 3560, 3920, 4298, 4361, 4912, 4984, 5696, 6140, 6230, 7120, 7840, 8596, 8722, 9824, 9968, 10745, 12280, 12460, 14240, 15043, 15680, 17192, 17444, 19648, 19936, 21490, 21805, 24560, 24920, 27323, 28480, 30086, 34384, 34888, 39872, 42980, 43610, 49120, 49840, 54646, 60172, 68768, 69776, 75215, 85960, 87220, 98240, 99680, 109292, 120344, 136615, 137536, 139552, 150430, 171920, 174440, 191261, 199360, 218584, 240688, 273230, 279104, 300860, 343840, 348880, 382522, 437168, 481376, 546460, 601720, 687680, 697760, 765044, 874336, 956305, 962752, 1092920, 1203440, 1338827, 1395520, 1530088, 1748672, 1912610, 2185840, 2406880, 2677654, 3060176, 3825220, 4371680, 4813760, 5355308, 6120352, 6694135, 7650440, 8743360, 10710616, 12240704, 13388270, 15300880, 21421232, 26776540, 30601760, 42842464, 53553080, 61203520, 85684928, 107106160, 214212320, 428424640]

約数ペア:

[(1, 428424640), (2, 214212320), (4, 107106160), (5, 85684928), (7, 61203520), (8, 53553080), (10, 42842464), (14, 30601760), (16, 26776540), (20, 21421232), (28, 15300880), (32, 13388270), (35, 12240704), (40, 10710616), (49, 8743360), (56, 7650440), (64, 6694135), (70, 6120352), (80, 5355308), (89, 4813760), (98, 4371680), (112, 3825220), (140, 3060176), (160, 2677654), (178, 2406880), (196, 2185840), (224, 1912610), (245, 1748672), (280, 1530088), (307, 1395520), (320, 1338827), (356, 1203440), (392, 1092920), (445, 962752), (448, 956305), (490, 874336), (560, 765044), (614, 697760), (623, 687680), (712, 601720), (784, 546460), (890, 481376), (980, 437168), (1120, 382522), (1228, 348880), (1246, 343840), (1424, 300860), (1535, 279104), (1568, 273230), (1780, 240688), (1960, 218584), (2149, 199360), (2240, 191261), (2456, 174440), (2492, 171920), (2848, 150430), (3070, 139552), (3115, 137536), (3136, 136615), (3560, 120344), (3920, 109292), (4298, 99680), (4361, 98240), (4912, 87220), (4984, 85960), (5696, 75215), (6140, 69776), (6230, 68768), (7120, 60172), (7840, 54646), (8596, 49840), (8722, 49120), (9824, 43610), (9968, 42980), (10745, 39872), (12280, 34888), (12460, 34384), (14240, 30086), (15043, 28480), (15680, 27323), (17192, 24920), (17444, 24560), (19648, 21805), (19936, 21490)]