1954340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 4468800

約数和(自身を除く): 2514460

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 139, 148, 185, 190, 278, 370, 380, 556, 695, 703, 740, 1390, 1406, 2641, 2780, 2812, 3515, 5143, 5282, 7030, 10286, 10564, 13205, 14060, 20572, 25715, 26410, 51430, 52820, 97717, 102860, 195434, 390868, 488585, 977170, 1954340]

約数ペア:

[(1, 1954340), (2, 977170), (4, 488585), (5, 390868), (10, 195434), (19, 102860), (20, 97717), (37, 52820), (38, 51430), (74, 26410), (76, 25715), (95, 20572), (139, 14060), (148, 13205), (185, 10564), (190, 10286), (278, 7030), (370, 5282), (380, 5143), (556, 3515), (695, 2812), (703, 2780), (740, 2641), (1390, 1406)]