450361660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{12517}}^1$

素因数の和:12790

約数の個数: 48

約数和(自身を含む): 1085160384

約数和(自身を除く): 634798724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 12517, 17990, 25034, 35980, 50068, 62585, 87619, 125170, 175238, 250340, 350476, 438095, 876190, 1752380, 3216869, 6433738, 12867476, 16084345, 22518083, 32168690, 45036166, 64337380, 90072332, 112590415, 225180830, 450361660]

約数ペア:

[(1, 450361660), (2, 225180830), (4, 112590415), (5, 90072332), (7, 64337380), (10, 45036166), (14, 32168690), (20, 22518083), (28, 16084345), (35, 12867476), (70, 6433738), (140, 3216869), (257, 1752380), (514, 876190), (1028, 438095), (1285, 350476), (1799, 250340), (2570, 175238), (3598, 125170), (5140, 87619), (7196, 62585), (8995, 50068), (12517, 35980), (17990, 25034)]