208031890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2099}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 440899200

約数和(自身を除く): 232867310

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 53, 55, 85, 106, 110, 170, 187, 265, 374, 530, 583, 901, 935, 1166, 1802, 1870, 2099, 2915, 4198, 4505, 5830, 9010, 9911, 10495, 19822, 20990, 23089, 35683, 46178, 49555, 71366, 99110, 111247, 115445, 178415, 222494, 230890, 356830, 392513, 556235, 785026, 1112470, 1223717, 1891199, 1962565, 2447434, 3782398, 3925130, 6118585, 9455995, 12237170, 18911990, 20803189, 41606378, 104015945, 208031890]

約数ペア:

[(1, 208031890), (2, 104015945), (5, 41606378), (10, 20803189), (11, 18911990), (17, 12237170), (22, 9455995), (34, 6118585), (53, 3925130), (55, 3782398), (85, 2447434), (106, 1962565), (110, 1891199), (170, 1223717), (187, 1112470), (265, 785026), (374, 556235), (530, 392513), (583, 356830), (901, 230890), (935, 222494), (1166, 178415), (1802, 115445), (1870, 111247), (2099, 99110), (2915, 71366), (4198, 49555), (4505, 46178), (5830, 35683), (9010, 23089), (9911, 20990), (10495, 19822)]