1900757020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{9907}}^1$

素因数の和:10150

約数の個数: 48

約数和(自身を含む): 4089784608

約数和(自身を除く): 2189027588

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 181, 212, 265, 362, 530, 724, 905, 1060, 1810, 3620, 9593, 9907, 19186, 19814, 38372, 39628, 47965, 49535, 95930, 99070, 191860, 198140, 525071, 1050142, 1793167, 2100284, 2625355, 3586334, 5250710, 7172668, 8965835, 10501420, 17931670, 35863340, 95037851, 190075702, 380151404, 475189255, 950378510, 1900757020]

約数ペア:

[(1, 1900757020), (2, 950378510), (4, 475189255), (5, 380151404), (10, 190075702), (20, 95037851), (53, 35863340), (106, 17931670), (181, 10501420), (212, 8965835), (265, 7172668), (362, 5250710), (530, 3586334), (724, 2625355), (905, 2100284), (1060, 1793167), (1810, 1050142), (3620, 525071), (9593, 198140), (9907, 191860), (19186, 99070), (19814, 95930), (38372, 49535), (39628, 47965)]