65691400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^2$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 162888570

約数和(自身を除く): 97197170

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 139, 170, 200, 278, 340, 425, 556, 680, 695, 850, 1112, 1390, 1700, 2363, 2780, 3400, 3475, 4726, 5560, 6950, 9452, 11815, 13900, 18904, 19321, 23630, 27800, 38642, 47260, 59075, 77284, 94520, 96605, 118150, 154568, 193210, 236300, 328457, 386420, 472600, 483025, 656914, 772840, 966050, 1313828, 1642285, 1932100, 2627656, 3284570, 3864200, 6569140, 8211425, 13138280, 16422850, 32845700, 65691400]

約数ペア:

[(1, 65691400), (2, 32845700), (4, 16422850), (5, 13138280), (8, 8211425), (10, 6569140), (17, 3864200), (20, 3284570), (25, 2627656), (34, 1932100), (40, 1642285), (50, 1313828), (68, 966050), (85, 772840), (100, 656914), (136, 483025), (139, 472600), (170, 386420), (200, 328457), (278, 236300), (340, 193210), (425, 154568), (556, 118150), (680, 96605), (695, 94520), (850, 77284), (1112, 59075), (1390, 47260), (1700, 38642), (2363, 27800), (2780, 23630), (3400, 19321), (3475, 18904), (4726, 13900), (5560, 11815), (6950, 9452)]