7125580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 19017936

約数和(自身を除く): 11892356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 661, 770, 980, 1078, 1322, 1540, 2156, 2644, 2695, 3305, 4627, 5390, 6610, 7271, 9254, 10780, 13220, 14542, 18508, 23135, 29084, 32389, 36355, 46270, 50897, 64778, 72710, 92540, 101794, 129556, 145420, 161945, 203588, 254485, 323890, 356279, 508970, 647780, 712558, 1017940, 1425116, 1781395, 3562790, 7125580]

約数ペア:

[(1, 7125580), (2, 3562790), (4, 1781395), (5, 1425116), (7, 1017940), (10, 712558), (11, 647780), (14, 508970), (20, 356279), (22, 323890), (28, 254485), (35, 203588), (44, 161945), (49, 145420), (55, 129556), (70, 101794), (77, 92540), (98, 72710), (110, 64778), (140, 50897), (154, 46270), (196, 36355), (220, 32389), (245, 29084), (308, 23135), (385, 18508), (490, 14542), (539, 13220), (661, 10780), (770, 9254), (980, 7271), (1078, 6610), (1322, 5390), (1540, 4627), (2156, 3305), (2644, 2695)]