8999730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 24784812

約数和(自身を除く): 15785082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 277, 285, 342, 361, 554, 570, 722, 831, 855, 1083, 1385, 1662, 1710, 1805, 2166, 2493, 2770, 3249, 3610, 4155, 4986, 5263, 5415, 6498, 8310, 10526, 10830, 12465, 15789, 16245, 24930, 26315, 31578, 32490, 47367, 52630, 78945, 94734, 99997, 157890, 199994, 236835, 299991, 473670, 499985, 599982, 899973, 999970, 1499955, 1799946, 2999910, 4499865, 8999730]

約数ペア:

[(1, 8999730), (2, 4499865), (3, 2999910), (5, 1799946), (6, 1499955), (9, 999970), (10, 899973), (15, 599982), (18, 499985), (19, 473670), (30, 299991), (38, 236835), (45, 199994), (57, 157890), (90, 99997), (95, 94734), (114, 78945), (171, 52630), (190, 47367), (277, 32490), (285, 31578), (342, 26315), (361, 24930), (554, 16245), (570, 15789), (722, 12465), (831, 10830), (855, 10526), (1083, 8310), (1385, 6498), (1662, 5415), (1710, 5263), (1805, 4986), (2166, 4155), (2493, 3610), (2770, 3249)]