2019619880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{21313}}^1$

素因数の和:21450

約数の個数: 64

約数和(自身を含む): 4787976960

約数和(自身を除く): 2768357080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 460, 515, 824, 920, 1030, 2060, 2369, 4120, 4738, 9476, 11845, 18952, 21313, 23690, 42626, 47380, 85252, 94760, 106565, 170504, 213130, 426260, 490199, 852520, 980398, 1960796, 2195239, 2450995, 3921592, 4390478, 4901990, 8780956, 9803980, 10976195, 17561912, 19607960, 21952390, 43904780, 50490497, 87809560, 100980994, 201961988, 252452485, 403923976, 504904970, 1009809940, 2019619880]

約数ペア:

[(1, 2019619880), (2, 1009809940), (4, 504904970), (5, 403923976), (8, 252452485), (10, 201961988), (20, 100980994), (23, 87809560), (40, 50490497), (46, 43904780), (92, 21952390), (103, 19607960), (115, 17561912), (184, 10976195), (206, 9803980), (230, 8780956), (412, 4901990), (460, 4390478), (515, 3921592), (824, 2450995), (920, 2195239), (1030, 1960796), (2060, 980398), (2369, 852520), (4120, 490199), (4738, 426260), (9476, 213130), (11845, 170504), (18952, 106565), (21313, 94760), (23690, 85252), (42626, 47380)]