217407680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1462

約数の個数: 112

約数和(自身を含む): 600431616

約数和(自身を除く): 383023936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 994, 1120, 1136, 1367, 1420, 1988, 2240, 2272, 2485, 2734, 2840, 3976, 4544, 4970, 5468, 5680, 6835, 7952, 9569, 9940, 10936, 11360, 13670, 15904, 19138, 19880, 21872, 22720, 27340, 31808, 38276, 39760, 43744, 47845, 54680, 76552, 79520, 87488, 95690, 97057, 109360, 153104, 159040, 191380, 194114, 218720, 306208, 382760, 388228, 437440, 485285, 612416, 679399, 765520, 776456, 970570, 1358798, 1531040, 1552912, 1941140, 2717596, 3062080, 3105824, 3396995, 3882280, 5435192, 6211648, 6793990, 7764560, 10870384, 13587980, 15529120, 21740768, 27175960, 31058240, 43481536, 54351920, 108703840, 217407680]

約数ペア:

[(1, 217407680), (2, 108703840), (4, 54351920), (5, 43481536), (7, 31058240), (8, 27175960), (10, 21740768), (14, 15529120), (16, 13587980), (20, 10870384), (28, 7764560), (32, 6793990), (35, 6211648), (40, 5435192), (56, 3882280), (64, 3396995), (70, 3105824), (71, 3062080), (80, 2717596), (112, 1941140), (140, 1552912), (142, 1531040), (160, 1358798), (224, 970570), (280, 776456), (284, 765520), (320, 679399), (355, 612416), (448, 485285), (497, 437440), (560, 388228), (568, 382760), (710, 306208), (994, 218720), (1120, 194114), (1136, 191380), (1367, 159040), (1420, 153104), (1988, 109360), (2240, 97057), (2272, 95690), (2485, 87488), (2734, 79520), (2840, 76552), (3976, 54680), (4544, 47845), (4970, 43744), (5468, 39760), (5680, 38276), (6835, 31808), (7952, 27340), (9569, 22720), (9940, 21872), (10936, 19880), (11360, 19138), (13670, 15904)]