201870350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 72

約数和(自身を含む): 420249144

約数和(自身を除く): 218378794

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 121, 122, 242, 275, 305, 547, 550, 605, 610, 671, 1094, 1210, 1342, 1525, 2735, 3025, 3050, 3355, 5470, 6017, 6050, 6710, 7381, 12034, 13675, 14762, 16775, 27350, 30085, 33367, 33550, 36905, 60170, 66187, 66734, 73810, 132374, 150425, 166835, 184525, 300850, 330935, 333670, 367037, 369050, 661870, 734074, 834175, 1654675, 1668350, 1835185, 3309350, 3670370, 4037407, 8074814, 9175925, 18351850, 20187035, 40374070, 100935175, 201870350]

約数ペア:

[(1, 201870350), (2, 100935175), (5, 40374070), (10, 20187035), (11, 18351850), (22, 9175925), (25, 8074814), (50, 4037407), (55, 3670370), (61, 3309350), (110, 1835185), (121, 1668350), (122, 1654675), (242, 834175), (275, 734074), (305, 661870), (547, 369050), (550, 367037), (605, 333670), (610, 330935), (671, 300850), (1094, 184525), (1210, 166835), (1342, 150425), (1525, 132374), (2735, 73810), (3025, 66734), (3050, 66187), (3355, 60170), (5470, 36905), (6017, 33550), (6050, 33367), (6710, 30085), (7381, 27350), (12034, 16775), (13675, 14762)]