2019911480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{37049}}^1$

素因数の和:37136

約数の個数: 64

約数和(自身を含む): 4801680000

約数和(自身を除く): 2781768520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1880, 2726, 5452, 6815, 10904, 13630, 27260, 37049, 54520, 74098, 148196, 185245, 296392, 370490, 740980, 1074421, 1481960, 1741303, 2148842, 3482606, 4297684, 5372105, 6965212, 8595368, 8706515, 10744210, 13930424, 17413030, 21488420, 34826060, 42976840, 50497787, 69652120, 100995574, 201991148, 252488935, 403982296, 504977870, 1009955740, 2019911480]

約数ペア:

[(1, 2019911480), (2, 1009955740), (4, 504977870), (5, 403982296), (8, 252488935), (10, 201991148), (20, 100995574), (29, 69652120), (40, 50497787), (47, 42976840), (58, 34826060), (94, 21488420), (116, 17413030), (145, 13930424), (188, 10744210), (232, 8706515), (235, 8595368), (290, 6965212), (376, 5372105), (470, 4297684), (580, 3482606), (940, 2148842), (1160, 1741303), (1363, 1481960), (1880, 1074421), (2726, 740980), (5452, 370490), (6815, 296392), (10904, 185245), (13630, 148196), (27260, 74098), (37049, 54520)]