201691764

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1979}}^1$

素因数の和:2157

約数の個数: 72

約数和(自身を含む): 540540000

約数和(自身を除く): 338848236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 228, 298, 342, 447, 596, 684, 894, 1341, 1788, 1979, 2682, 2831, 3958, 5364, 5662, 5937, 7916, 8493, 11324, 11874, 16986, 17811, 23748, 25479, 33972, 35622, 37601, 50958, 71244, 75202, 101916, 112803, 150404, 225606, 294871, 338409, 451212, 589742, 676818, 884613, 1179484, 1353636, 1769226, 2653839, 3538452, 5307678, 5602549, 10615356, 11205098, 16807647, 22410196, 33615294, 50422941, 67230588, 100845882, 201691764]

約数ペア:

[(1, 201691764), (2, 100845882), (3, 67230588), (4, 50422941), (6, 33615294), (9, 22410196), (12, 16807647), (18, 11205098), (19, 10615356), (36, 5602549), (38, 5307678), (57, 3538452), (76, 2653839), (114, 1769226), (149, 1353636), (171, 1179484), (228, 884613), (298, 676818), (342, 589742), (447, 451212), (596, 338409), (684, 294871), (894, 225606), (1341, 150404), (1788, 112803), (1979, 101916), (2682, 75202), (2831, 71244), (3958, 50958), (5364, 37601), (5662, 35622), (5937, 33972), (7916, 25479), (8493, 23748), (11324, 17811), (11874, 16986)]