1388250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{617}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 3759912

約数和(自身を除く): 2371662

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 617, 750, 1125, 1234, 1851, 2250, 3085, 3702, 5553, 6170, 9255, 11106, 15425, 18510, 27765, 30850, 46275, 55530, 77125, 92550, 138825, 154250, 231375, 277650, 462750, 694125, 1388250]

約数ペア:

[(1, 1388250), (2, 694125), (3, 462750), (5, 277650), (6, 231375), (9, 154250), (10, 138825), (15, 92550), (18, 77125), (25, 55530), (30, 46275), (45, 30850), (50, 27765), (75, 18510), (90, 15425), (125, 11106), (150, 9255), (225, 6170), (250, 5553), (375, 3702), (450, 3085), (617, 2250), (750, 1851), (1125, 1234)]