3989440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:174

約数の個数: 112

約数和(自身を含む): 11777472

約数和(自身を除く): 7788032

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, 130, 137, 140, 160, 182, 208, 224, 260, 274, 280, 320, 364, 416, 448, 455, 520, 548, 560, 685, 728, 832, 910, 959, 1040, 1096, 1120, 1370, 1456, 1781, 1820, 1918, 2080, 2192, 2240, 2740, 2912, 3562, 3640, 3836, 4160, 4384, 4795, 5480, 5824, 7124, 7280, 7672, 8768, 8905, 9590, 10960, 12467, 14248, 14560, 15344, 17810, 19180, 21920, 24934, 28496, 29120, 30688, 35620, 38360, 43840, 49868, 56992, 61376, 62335, 71240, 76720, 99736, 113984, 124670, 142480, 153440, 199472, 249340, 284960, 306880, 398944, 498680, 569920, 797888, 997360, 1994720, 3989440]

約数ペア:

[(1, 3989440), (2, 1994720), (4, 997360), (5, 797888), (7, 569920), (8, 498680), (10, 398944), (13, 306880), (14, 284960), (16, 249340), (20, 199472), (26, 153440), (28, 142480), (32, 124670), (35, 113984), (40, 99736), (52, 76720), (56, 71240), (64, 62335), (65, 61376), (70, 56992), (80, 49868), (91, 43840), (104, 38360), (112, 35620), (130, 30688), (137, 29120), (140, 28496), (160, 24934), (182, 21920), (208, 19180), (224, 17810), (260, 15344), (274, 14560), (280, 14248), (320, 12467), (364, 10960), (416, 9590), (448, 8905), (455, 8768), (520, 7672), (548, 7280), (560, 7124), (685, 5824), (728, 5480), (832, 4795), (910, 4384), (959, 4160), (1040, 3836), (1096, 3640), (1120, 3562), (1370, 2912), (1456, 2740), (1781, 2240), (1820, 2192), (1918, 2080)]