404895680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 224

約数和(自身を含む): 1193840640

約数和(自身を除く): 788944960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 64, 70, 80, 92, 112, 115, 116, 140, 145, 160, 161, 184, 203, 224, 230, 232, 271, 280, 290, 320, 322, 368, 406, 448, 460, 464, 542, 560, 580, 644, 667, 736, 805, 812, 920, 928, 1015, 1084, 1120, 1160, 1288, 1334, 1355, 1472, 1610, 1624, 1840, 1856, 1897, 2030, 2168, 2240, 2320, 2576, 2668, 2710, 3220, 3248, 3335, 3680, 3794, 4060, 4336, 4640, 4669, 5152, 5336, 5420, 6233, 6440, 6496, 6670, 7360, 7588, 7859, 8120, 8672, 9280, 9338, 9485, 10304, 10672, 10840, 12466, 12880, 12992, 13340, 15176, 15718, 16240, 17344, 18676, 18970, 21344, 21680, 23345, 24932, 25760, 26680, 30352, 31165, 31436, 32480, 37352, 37940, 39295, 42688, 43360, 43631, 46690, 49864, 51520, 53360, 55013, 60704, 62330, 62872, 64960, 74704, 75880, 78590, 86720, 87262, 93380, 99728, 106720, 110026, 121408, 124660, 125744, 149408, 151760, 157180, 174524, 180757, 186760, 199456, 213440, 218155, 220052, 249320, 251488, 275065, 298816, 303520, 314360, 349048, 361514, 373520, 398912, 436310, 440104, 498640, 502976, 550130, 607040, 628720, 698096, 723028, 747040, 872620, 880208, 903785, 997280, 1100260, 1257440, 1265299, 1396192, 1446056, 1494080, 1745240, 1760416, 1807570, 1994560, 2200520, 2514880, 2530598, 2792384, 2892112, 3490480, 3520832, 3615140, 4401040, 5061196, 5784224, 6326495, 6980960, 7230280, 8802080, 10122392, 11568448, 12652990, 13961920, 14460560, 17604160, 20244784, 25305980, 28921120, 40489568, 50611960, 57842240, 80979136, 101223920, 202447840, 404895680]

約数ペア:

[(1, 404895680), (2, 202447840), (4, 101223920), (5, 80979136), (7, 57842240), (8, 50611960), (10, 40489568), (14, 28921120), (16, 25305980), (20, 20244784), (23, 17604160), (28, 14460560), (29, 13961920), (32, 12652990), (35, 11568448), (40, 10122392), (46, 8802080), (56, 7230280), (58, 6980960), (64, 6326495), (70, 5784224), (80, 5061196), (92, 4401040), (112, 3615140), (115, 3520832), (116, 3490480), (140, 2892112), (145, 2792384), (160, 2530598), (161, 2514880), (184, 2200520), (203, 1994560), (224, 1807570), (230, 1760416), (232, 1745240), (271, 1494080), (280, 1446056), (290, 1396192), (320, 1265299), (322, 1257440), (368, 1100260), (406, 997280), (448, 903785), (460, 880208), (464, 872620), (542, 747040), (560, 723028), (580, 698096), (644, 628720), (667, 607040), (736, 550130), (805, 502976), (812, 498640), (920, 440104), (928, 436310), (1015, 398912), (1084, 373520), (1120, 361514), (1160, 349048), (1288, 314360), (1334, 303520), (1355, 298816), (1472, 275065), (1610, 251488), (1624, 249320), (1840, 220052), (1856, 218155), (1897, 213440), (2030, 199456), (2168, 186760), (2240, 180757), (2320, 174524), (2576, 157180), (2668, 151760), (2710, 149408), (3220, 125744), (3248, 124660), (3335, 121408), (3680, 110026), (3794, 106720), (4060, 99728), (4336, 93380), (4640, 87262), (4669, 86720), (5152, 78590), (5336, 75880), (5420, 74704), (6233, 64960), (6440, 62872), (6496, 62330), (6670, 60704), (7360, 55013), (7588, 53360), (7859, 51520), (8120, 49864), (8672, 46690), (9280, 43631), (9338, 43360), (9485, 42688), (10304, 39295), (10672, 37940), (10840, 37352), (12466, 32480), (12880, 31436), (12992, 31165), (13340, 30352), (15176, 26680), (15718, 25760), (16240, 24932), (17344, 23345), (18676, 21680), (18970, 21344)]