18844100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 45913728

約数和(自身を除く): 27069628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 148, 185, 220, 275, 370, 407, 463, 550, 740, 814, 925, 926, 1100, 1628, 1850, 1852, 2035, 2315, 3700, 4070, 4630, 5093, 8140, 9260, 10175, 10186, 11575, 17131, 20350, 20372, 23150, 25465, 34262, 40700, 46300, 50930, 68524, 85655, 101860, 127325, 171310, 188441, 254650, 342620, 376882, 428275, 509300, 753764, 856550, 942205, 1713100, 1884410, 3768820, 4711025, 9422050, 18844100]

約数ペア:

[(1, 18844100), (2, 9422050), (4, 4711025), (5, 3768820), (10, 1884410), (11, 1713100), (20, 942205), (22, 856550), (25, 753764), (37, 509300), (44, 428275), (50, 376882), (55, 342620), (74, 254650), (100, 188441), (110, 171310), (148, 127325), (185, 101860), (220, 85655), (275, 68524), (370, 50930), (407, 46300), (463, 40700), (550, 34262), (740, 25465), (814, 23150), (925, 20372), (926, 20350), (1100, 17131), (1628, 11575), (1850, 10186), (1852, 10175), (2035, 9260), (2315, 8140), (3700, 5093), (4070, 4630)]