18172850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 17449870

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 83, 145, 151, 166, 290, 302, 415, 725, 755, 830, 1450, 1510, 2075, 2407, 3775, 4150, 4379, 4814, 7550, 8758, 12035, 12533, 21895, 24070, 25066, 43790, 60175, 62665, 109475, 120350, 125330, 218950, 313325, 363457, 626650, 726914, 1817285, 3634570, 9086425, 18172850]

約数ペア:

[(1, 18172850), (2, 9086425), (5, 3634570), (10, 1817285), (25, 726914), (29, 626650), (50, 363457), (58, 313325), (83, 218950), (145, 125330), (151, 120350), (166, 109475), (290, 62665), (302, 60175), (415, 43790), (725, 25066), (755, 24070), (830, 21895), (1450, 12533), (1510, 12035), (2075, 8758), (2407, 7550), (3775, 4814), (4150, 4379)]