204020630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 411319296

約数和(自身を除く): 207298666

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 151, 173, 302, 346, 355, 710, 755, 781, 865, 1510, 1562, 1661, 1730, 1903, 3322, 3806, 3905, 7810, 8305, 9515, 10721, 12283, 16610, 19030, 21442, 24566, 26123, 52246, 53605, 61415, 107210, 117931, 122830, 130615, 135113, 235862, 261230, 270226, 287353, 574706, 589655, 675565, 1179310, 1351130, 1436765, 1854733, 2873530, 3709466, 9273665, 18547330, 20402063, 40804126, 102010315, 204020630]

約数ペア:

[(1, 204020630), (2, 102010315), (5, 40804126), (10, 20402063), (11, 18547330), (22, 9273665), (55, 3709466), (71, 2873530), (110, 1854733), (142, 1436765), (151, 1351130), (173, 1179310), (302, 675565), (346, 589655), (355, 574706), (710, 287353), (755, 270226), (781, 261230), (865, 235862), (1510, 135113), (1562, 130615), (1661, 122830), (1730, 117931), (1903, 107210), (3322, 61415), (3806, 53605), (3905, 52246), (7810, 26123), (8305, 24566), (9515, 21442), (10721, 19030), (12283, 16610)]