390142010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 816298560

約数和(自身を除く): 426156550

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 53, 85, 86, 95, 106, 170, 190, 215, 265, 323, 430, 530, 646, 731, 817, 901, 1007, 1462, 1615, 1634, 1802, 2014, 2279, 2809, 3230, 3655, 4085, 4505, 4558, 5035, 5618, 7310, 8170, 9010, 10070, 11395, 13889, 14045, 17119, 22790, 27778, 28090, 34238, 38743, 43301, 47753, 53371, 69445, 77486, 85595, 86602, 95506, 106742, 120787, 138890, 171190, 193715, 216505, 238765, 241574, 266855, 387430, 433010, 477530, 533710, 603935, 736117, 907307, 1207870, 1472234, 1814614, 2053379, 2294953, 3680585, 4106758, 4536535, 4589906, 7361170, 9073070, 10266895, 11474765, 20533790, 22949530, 39014201, 78028402, 195071005, 390142010]

約数ペア:

[(1, 390142010), (2, 195071005), (5, 78028402), (10, 39014201), (17, 22949530), (19, 20533790), (34, 11474765), (38, 10266895), (43, 9073070), (53, 7361170), (85, 4589906), (86, 4536535), (95, 4106758), (106, 3680585), (170, 2294953), (190, 2053379), (215, 1814614), (265, 1472234), (323, 1207870), (430, 907307), (530, 736117), (646, 603935), (731, 533710), (817, 477530), (901, 433010), (1007, 387430), (1462, 266855), (1615, 241574), (1634, 238765), (1802, 216505), (2014, 193715), (2279, 171190), (2809, 138890), (3230, 120787), (3655, 106742), (4085, 95506), (4505, 86602), (4558, 85595), (5035, 77486), (5618, 69445), (7310, 53371), (8170, 47753), (9010, 43301), (10070, 38743), (11395, 34238), (13889, 28090), (14045, 27778), (17119, 22790)]