51071720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 135924480

約数和(自身を除く): 84852760

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, 355, 367, 392, 490, 497, 568, 710, 734, 980, 994, 1420, 1468, 1835, 1960, 1988, 2485, 2569, 2840, 2936, 3479, 3670, 3976, 4970, 5138, 6958, 7340, 9940, 10276, 12845, 13916, 14680, 17395, 17983, 19880, 20552, 25690, 26057, 27832, 34790, 35966, 51380, 52114, 69580, 71932, 89915, 102760, 104228, 130285, 139160, 143864, 179830, 182399, 208456, 260570, 359660, 364798, 521140, 719320, 729596, 911995, 1042280, 1276793, 1459192, 1823990, 2553586, 3647980, 5107172, 6383965, 7295960, 10214344, 12767930, 25535860, 51071720]

約数ペア:

[(1, 51071720), (2, 25535860), (4, 12767930), (5, 10214344), (7, 7295960), (8, 6383965), (10, 5107172), (14, 3647980), (20, 2553586), (28, 1823990), (35, 1459192), (40, 1276793), (49, 1042280), (56, 911995), (70, 729596), (71, 719320), (98, 521140), (140, 364798), (142, 359660), (196, 260570), (245, 208456), (280, 182399), (284, 179830), (355, 143864), (367, 139160), (392, 130285), (490, 104228), (497, 102760), (568, 89915), (710, 71932), (734, 69580), (980, 52114), (994, 51380), (1420, 35966), (1468, 34790), (1835, 27832), (1960, 26057), (1988, 25690), (2485, 20552), (2569, 19880), (2840, 17983), (2936, 17395), (3479, 14680), (3670, 13916), (3976, 12845), (4970, 10276), (5138, 9940), (6958, 7340)]