42209440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 123959808

約数和(自身を除く): 81750368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 223, 224, 260, 280, 338, 364, 416, 446, 455, 520, 560, 676, 728, 845, 892, 910, 1040, 1115, 1120, 1183, 1352, 1456, 1561, 1690, 1784, 1820, 2080, 2230, 2366, 2704, 2899, 2912, 3122, 3380, 3568, 3640, 4460, 4732, 5408, 5798, 5915, 6244, 6760, 7136, 7280, 7805, 8920, 9464, 11596, 11830, 12488, 13520, 14495, 14560, 15610, 17840, 18928, 20293, 23192, 23660, 24976, 27040, 28990, 31220, 35680, 37687, 37856, 40586, 46384, 47320, 49952, 57980, 62440, 75374, 81172, 92768, 94640, 101465, 115960, 124880, 150748, 162344, 188435, 189280, 202930, 231920, 249760, 263809, 301496, 324688, 376870, 405860, 463840, 527618, 602992, 649376, 753740, 811720, 1055236, 1205984, 1319045, 1507480, 1623440, 2110472, 2638090, 3014960, 3246880, 4220944, 5276180, 6029920, 8441888, 10552360, 21104720, 42209440]

約数ペア:

[(1, 42209440), (2, 21104720), (4, 10552360), (5, 8441888), (7, 6029920), (8, 5276180), (10, 4220944), (13, 3246880), (14, 3014960), (16, 2638090), (20, 2110472), (26, 1623440), (28, 1507480), (32, 1319045), (35, 1205984), (40, 1055236), (52, 811720), (56, 753740), (65, 649376), (70, 602992), (80, 527618), (91, 463840), (104, 405860), (112, 376870), (130, 324688), (140, 301496), (160, 263809), (169, 249760), (182, 231920), (208, 202930), (223, 189280), (224, 188435), (260, 162344), (280, 150748), (338, 124880), (364, 115960), (416, 101465), (446, 94640), (455, 92768), (520, 81172), (560, 75374), (676, 62440), (728, 57980), (845, 49952), (892, 47320), (910, 46384), (1040, 40586), (1115, 37856), (1120, 37687), (1183, 35680), (1352, 31220), (1456, 28990), (1561, 27040), (1690, 24976), (1784, 23660), (1820, 23192), (2080, 20293), (2230, 18928), (2366, 17840), (2704, 15610), (2899, 14560), (2912, 14495), (3122, 13520), (3380, 12488), (3568, 11830), (3640, 11596), (4460, 9464), (4732, 8920), (5408, 7805), (5798, 7280), (5915, 7136), (6244, 6760)]