812900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 1926960

約数和(自身を除く): 1114060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 739, 1100, 1478, 2956, 3695, 7390, 8129, 14780, 16258, 18475, 32516, 36950, 40645, 73900, 81290, 162580, 203225, 406450, 812900]

約数ペア:

[(1, 812900), (2, 406450), (4, 203225), (5, 162580), (10, 81290), (11, 73900), (20, 40645), (22, 36950), (25, 32516), (44, 18475), (50, 16258), (55, 14780), (100, 8129), (110, 7390), (220, 3695), (275, 2956), (550, 1478), (739, 1100)]