7690820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 17492160

約数和(自身を除く): 9801340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 547, 703, 740, 1094, 1406, 2188, 2735, 2812, 3515, 5470, 7030, 10393, 10940, 14060, 20239, 20786, 40478, 41572, 51965, 80956, 101195, 103930, 202390, 207860, 384541, 404780, 769082, 1538164, 1922705, 3845410, 7690820]

約数ペア:

[(1, 7690820), (2, 3845410), (4, 1922705), (5, 1538164), (10, 769082), (19, 404780), (20, 384541), (37, 207860), (38, 202390), (74, 103930), (76, 101195), (95, 80956), (148, 51965), (185, 41572), (190, 40478), (370, 20786), (380, 20239), (547, 14060), (703, 10940), (740, 10393), (1094, 7030), (1406, 5470), (2188, 3515), (2735, 2812)]