30811000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2801}}^1$

素因数の和:2833

約数の個数: 64

約数和(自身を含む): 78680160

約数和(自身を除く): 47869160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 2801, 5500, 5602, 11000, 11204, 14005, 22408, 28010, 30811, 56020, 61622, 70025, 112040, 123244, 140050, 154055, 246488, 280100, 308110, 350125, 560200, 616220, 700250, 770275, 1232440, 1400500, 1540550, 2801000, 3081100, 3851375, 6162200, 7702750, 15405500, 30811000]

約数ペア:

[(1, 30811000), (2, 15405500), (4, 7702750), (5, 6162200), (8, 3851375), (10, 3081100), (11, 2801000), (20, 1540550), (22, 1400500), (25, 1232440), (40, 770275), (44, 700250), (50, 616220), (55, 560200), (88, 350125), (100, 308110), (110, 280100), (125, 246488), (200, 154055), (220, 140050), (250, 123244), (275, 112040), (440, 70025), (500, 61622), (550, 56020), (1000, 30811), (1100, 28010), (1375, 22408), (2200, 14005), (2750, 11204), (2801, 11000), (5500, 5602)]