531570650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7643}}^1$

素因数の和:7775

約数の個数: 48

約数和(自身を含む): 1074868704

約数和(自身を除く): 543298054

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 325, 535, 650, 1070, 1391, 2675, 2782, 5350, 6955, 7643, 13910, 15286, 34775, 38215, 69550, 76430, 99359, 191075, 198718, 382150, 496795, 817801, 993590, 1635602, 2483975, 4089005, 4967950, 8178010, 10631413, 20445025, 21262826, 40890050, 53157065, 106314130, 265785325, 531570650]

約数ペア:

[(1, 531570650), (2, 265785325), (5, 106314130), (10, 53157065), (13, 40890050), (25, 21262826), (26, 20445025), (50, 10631413), (65, 8178010), (107, 4967950), (130, 4089005), (214, 2483975), (325, 1635602), (535, 993590), (650, 817801), (1070, 496795), (1391, 382150), (2675, 198718), (2782, 191075), (5350, 99359), (6955, 76430), (7643, 69550), (13910, 38215), (15286, 34775)]