211679460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{391999}}^1$

素因数の和:392017

約数の個数: 48

約数和(自身を含む): 658560000

約数和(自身を除く): 446880540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 391999, 783998, 1175997, 1567996, 1959995, 2351994, 3527991, 3919990, 4703988, 5879985, 7055982, 7839980, 10583973, 11759970, 14111964, 17639955, 21167946, 23519940, 35279910, 42335892, 52919865, 70559820, 105839730, 211679460]

約数ペア:

[(1, 211679460), (2, 105839730), (3, 70559820), (4, 52919865), (5, 42335892), (6, 35279910), (9, 23519940), (10, 21167946), (12, 17639955), (15, 14111964), (18, 11759970), (20, 10583973), (27, 7839980), (30, 7055982), (36, 5879985), (45, 4703988), (54, 3919990), (60, 3527991), (90, 2351994), (108, 1959995), (135, 1567996), (180, 1175997), (270, 783998), (540, 391999)]