858199720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:984

約数の個数: 128

約数和(自身を含む): 2286144000

約数和(自身を除く): 1427944280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 343, 355, 392, 490, 497, 568, 686, 710, 881, 980, 994, 1372, 1420, 1715, 1762, 1960, 1988, 2485, 2744, 2840, 3430, 3479, 3524, 3976, 4405, 4970, 6167, 6860, 6958, 7048, 8810, 9940, 12334, 13720, 13916, 17395, 17620, 19880, 24353, 24668, 27832, 30835, 34790, 35240, 43169, 48706, 49336, 61670, 62551, 69580, 86338, 97412, 121765, 123340, 125102, 139160, 172676, 194824, 215845, 243530, 246680, 250204, 302183, 312755, 345352, 431690, 437857, 487060, 500408, 604366, 625510, 863380, 875714, 974120, 1208732, 1251020, 1510915, 1726760, 1751428, 2189285, 2417464, 2502040, 3021830, 3064999, 3502856, 4378570, 6043660, 6129998, 8757140, 12087320, 12259996, 15324995, 17514280, 21454993, 24519992, 30649990, 42909986, 61299980, 85819972, 107274965, 122599960, 171639944, 214549930, 429099860, 858199720]

約数ペア:

[(1, 858199720), (2, 429099860), (4, 214549930), (5, 171639944), (7, 122599960), (8, 107274965), (10, 85819972), (14, 61299980), (20, 42909986), (28, 30649990), (35, 24519992), (40, 21454993), (49, 17514280), (56, 15324995), (70, 12259996), (71, 12087320), (98, 8757140), (140, 6129998), (142, 6043660), (196, 4378570), (245, 3502856), (280, 3064999), (284, 3021830), (343, 2502040), (355, 2417464), (392, 2189285), (490, 1751428), (497, 1726760), (568, 1510915), (686, 1251020), (710, 1208732), (881, 974120), (980, 875714), (994, 863380), (1372, 625510), (1420, 604366), (1715, 500408), (1762, 487060), (1960, 437857), (1988, 431690), (2485, 345352), (2744, 312755), (2840, 302183), (3430, 250204), (3479, 246680), (3524, 243530), (3976, 215845), (4405, 194824), (4970, 172676), (6167, 139160), (6860, 125102), (6958, 123340), (7048, 121765), (8810, 97412), (9940, 86338), (12334, 69580), (13720, 62551), (13916, 61670), (17395, 49336), (17620, 48706), (19880, 43169), (24353, 35240), (24668, 34790), (27832, 30835)]