217133140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81629}}^1$

素因数の和:81664

約数の個数: 48

約数和(自身を含む): 548553600

約数和(自身を除く): 331420460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 81629, 163258, 326516, 408145, 571403, 816290, 1142806, 1550951, 1632580, 2285612, 2857015, 3101902, 5714030, 6203804, 7754755, 10856657, 11428060, 15509510, 21713314, 31019020, 43426628, 54283285, 108566570, 217133140]

約数ペア:

[(1, 217133140), (2, 108566570), (4, 54283285), (5, 43426628), (7, 31019020), (10, 21713314), (14, 15509510), (19, 11428060), (20, 10856657), (28, 7754755), (35, 6203804), (38, 5714030), (70, 3101902), (76, 2857015), (95, 2285612), (133, 1632580), (140, 1550951), (190, 1142806), (266, 816290), (380, 571403), (532, 408145), (665, 326516), (1330, 163258), (2660, 81629)]