2238500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 5518968

約数和(自身を除く): 3280468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 37, 44, 50, 55, 74, 100, 110, 121, 125, 148, 185, 220, 242, 250, 275, 370, 407, 484, 500, 550, 605, 740, 814, 925, 1100, 1210, 1375, 1628, 1850, 2035, 2420, 2750, 3025, 3700, 4070, 4477, 4625, 5500, 6050, 8140, 8954, 9250, 10175, 12100, 15125, 17908, 18500, 20350, 22385, 30250, 40700, 44770, 50875, 60500, 89540, 101750, 111925, 203500, 223850, 447700, 559625, 1119250, 2238500]

約数ペア:

[(1, 2238500), (2, 1119250), (4, 559625), (5, 447700), (10, 223850), (11, 203500), (20, 111925), (22, 101750), (25, 89540), (37, 60500), (44, 50875), (50, 44770), (55, 40700), (74, 30250), (100, 22385), (110, 20350), (121, 18500), (125, 17908), (148, 15125), (185, 12100), (220, 10175), (242, 9250), (250, 8954), (275, 8140), (370, 6050), (407, 5500), (484, 4625), (500, 4477), (550, 4070), (605, 3700), (740, 3025), (814, 2750), (925, 2420), (1100, 2035), (1210, 1850), (1375, 1628)]