30754820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 66382848

約数和(自身を除く): 35628028

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 166, 191, 194, 332, 382, 388, 415, 485, 764, 830, 955, 970, 1660, 1910, 1940, 3820, 8051, 15853, 16102, 18527, 31706, 32204, 37054, 40255, 63412, 74108, 79265, 80510, 92635, 158530, 161020, 185270, 317060, 370540, 1537741, 3075482, 6150964, 7688705, 15377410, 30754820]

約数ペア:

[(1, 30754820), (2, 15377410), (4, 7688705), (5, 6150964), (10, 3075482), (20, 1537741), (83, 370540), (97, 317060), (166, 185270), (191, 161020), (194, 158530), (332, 92635), (382, 80510), (388, 79265), (415, 74108), (485, 63412), (764, 40255), (830, 37054), (955, 32204), (970, 31706), (1660, 18527), (1910, 16102), (1940, 15853), (3820, 8051)]