1390291000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{198613}}^1$

素因数の和:198641

約数の個数: 64

約数和(自身を含む): 3718054080

約数和(自身を除く): 2327763080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 198613, 397226, 794452, 993065, 1390291, 1588904, 1986130, 2780582, 3972260, 4965325, 5561164, 6951455, 7944520, 9930650, 11122328, 13902910, 19861300, 24826625, 27805820, 34757275, 39722600, 49653250, 55611640, 69514550, 99306500, 139029100, 173786375, 198613000, 278058200, 347572750, 695145500, 1390291000]

約数ペア:

[(1, 1390291000), (2, 695145500), (4, 347572750), (5, 278058200), (7, 198613000), (8, 173786375), (10, 139029100), (14, 99306500), (20, 69514550), (25, 55611640), (28, 49653250), (35, 39722600), (40, 34757275), (50, 27805820), (56, 24826625), (70, 19861300), (100, 13902910), (125, 11122328), (140, 9930650), (175, 7944520), (200, 6951455), (250, 5561164), (280, 4965325), (350, 3972260), (500, 2780582), (700, 1986130), (875, 1588904), (1000, 1390291), (1400, 993065), (1750, 794452), (3500, 397226), (7000, 198613)]