51648940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7529}}^1$

素因数の和:7559

約数の個数: 48

約数和(自身を含む): 126504000

約数和(自身を除く): 74855060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7529, 15058, 30116, 37645, 52703, 75290, 105406, 150580, 210812, 263515, 368921, 527030, 737842, 1054060, 1475684, 1844605, 2582447, 3689210, 5164894, 7378420, 10329788, 12912235, 25824470, 51648940]

約数ペア:

[(1, 51648940), (2, 25824470), (4, 12912235), (5, 10329788), (7, 7378420), (10, 5164894), (14, 3689210), (20, 2582447), (28, 1844605), (35, 1475684), (49, 1054060), (70, 737842), (98, 527030), (140, 368921), (196, 263515), (245, 210812), (343, 150580), (490, 105406), (686, 75290), (980, 52703), (1372, 37645), (1715, 30116), (3430, 15058), (6860, 7529)]