2018333380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{132263}}^1$

素因数の和:132388

約数の個数: 48

約数和(自身を含む): 4888477440

約数和(自身を除く): 2870144060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 132263, 264526, 529052, 661315, 925841, 1322630, 1851682, 2645260, 3703364, 4629205, 9258410, 14416667, 18516820, 28833334, 57666668, 72083335, 100916669, 144166670, 201833338, 288333340, 403666676, 504583345, 1009166690, 2018333380]

約数ペア:

[(1, 2018333380), (2, 1009166690), (4, 504583345), (5, 403666676), (7, 288333340), (10, 201833338), (14, 144166670), (20, 100916669), (28, 72083335), (35, 57666668), (70, 28833334), (109, 18516820), (140, 14416667), (218, 9258410), (436, 4629205), (545, 3703364), (763, 2645260), (1090, 1851682), (1526, 1322630), (2180, 925841), (3052, 661315), (3815, 529052), (7630, 264526), (15260, 132263)]