217387520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1733}}^1$

素因数の和:1770

約数の個数: 120

約数和(自身を含む): 606667644

約数和(自身を除く): 389280124

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1733, 1792, 1960, 2240, 2560, 3136, 3466, 3584, 3920, 4480, 6272, 6932, 7840, 8665, 8960, 12131, 12544, 13864, 15680, 17330, 17920, 24262, 25088, 27728, 31360, 34660, 48524, 55456, 60655, 62720, 69320, 84917, 97048, 110912, 121310, 125440, 138640, 169834, 194096, 221824, 242620, 277280, 339668, 388192, 424585, 443648, 485240, 554560, 679336, 776384, 849170, 887296, 970480, 1109120, 1358672, 1552768, 1698340, 1940960, 2218240, 2717344, 3105536, 3396680, 3881920, 4436480, 5434688, 6211072, 6793360, 7763840, 10869376, 13586720, 15527680, 21738752, 27173440, 31055360, 43477504, 54346880, 108693760, 217387520]

約数ペア:

[(1, 217387520), (2, 108693760), (4, 54346880), (5, 43477504), (7, 31055360), (8, 27173440), (10, 21738752), (14, 15527680), (16, 13586720), (20, 10869376), (28, 7763840), (32, 6793360), (35, 6211072), (40, 5434688), (49, 4436480), (56, 3881920), (64, 3396680), (70, 3105536), (80, 2717344), (98, 2218240), (112, 1940960), (128, 1698340), (140, 1552768), (160, 1358672), (196, 1109120), (224, 970480), (245, 887296), (256, 849170), (280, 776384), (320, 679336), (392, 554560), (448, 485240), (490, 443648), (512, 424585), (560, 388192), (640, 339668), (784, 277280), (896, 242620), (980, 221824), (1120, 194096), (1280, 169834), (1568, 138640), (1733, 125440), (1792, 121310), (1960, 110912), (2240, 97048), (2560, 84917), (3136, 69320), (3466, 62720), (3584, 60655), (3920, 55456), (4480, 48524), (6272, 34660), (6932, 31360), (7840, 27728), (8665, 25088), (8960, 24262), (12131, 17920), (12544, 17330), (13864, 15680)]