217409920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3733}}^1$

素因数の和:3772

約数の個数: 128

約数和(自身を含む): 639858240

約数和(自身を除く): 422448320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 3733, 4160, 4480, 5824, 7280, 7466, 8320, 11648, 14560, 14932, 18665, 26131, 29120, 29864, 37330, 48529, 52262, 58240, 59728, 74660, 97058, 104524, 119456, 130655, 149320, 194116, 209048, 238912, 242645, 261310, 298640, 339703, 388232, 418096, 477824, 485290, 522620, 597280, 679406, 776464, 836192, 970580, 1045240, 1194560, 1358812, 1552928, 1672384, 1698515, 1941160, 2090480, 2389120, 2717624, 3105856, 3344768, 3397030, 3882320, 4180960, 5435248, 6211712, 6794060, 7764640, 8361920, 10870496, 13588120, 15529280, 16723840, 21740992, 27176240, 31058560, 43481984, 54352480, 108704960, 217409920]

約数ペア:

[(1, 217409920), (2, 108704960), (4, 54352480), (5, 43481984), (7, 31058560), (8, 27176240), (10, 21740992), (13, 16723840), (14, 15529280), (16, 13588120), (20, 10870496), (26, 8361920), (28, 7764640), (32, 6794060), (35, 6211712), (40, 5435248), (52, 4180960), (56, 3882320), (64, 3397030), (65, 3344768), (70, 3105856), (80, 2717624), (91, 2389120), (104, 2090480), (112, 1941160), (128, 1698515), (130, 1672384), (140, 1552928), (160, 1358812), (182, 1194560), (208, 1045240), (224, 970580), (260, 836192), (280, 776464), (320, 679406), (364, 597280), (416, 522620), (448, 485290), (455, 477824), (520, 418096), (560, 388232), (640, 339703), (728, 298640), (832, 261310), (896, 242645), (910, 238912), (1040, 209048), (1120, 194116), (1456, 149320), (1664, 130655), (1820, 119456), (2080, 104524), (2240, 97058), (2912, 74660), (3640, 59728), (3733, 58240), (4160, 52262), (4480, 48529), (5824, 37330), (7280, 29864), (7466, 29120), (8320, 26131), (11648, 18665), (14560, 14932)]