213080780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26177}}^1$

素因数の和:26234

約数の個数: 48

約数和(自身を含む): 501361056

約数和(自身を除く): 288280276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 26177, 52354, 104708, 130885, 261770, 287947, 523540, 575894, 968549, 1151788, 1439735, 1937098, 2879470, 3874196, 4842745, 5758940, 9685490, 10654039, 19370980, 21308078, 42616156, 53270195, 106540390, 213080780]

約数ペア:

[(1, 213080780), (2, 106540390), (4, 53270195), (5, 42616156), (10, 21308078), (11, 19370980), (20, 10654039), (22, 9685490), (37, 5758940), (44, 4842745), (55, 3874196), (74, 2879470), (110, 1937098), (148, 1439735), (185, 1151788), (220, 968549), (370, 575894), (407, 523540), (740, 287947), (814, 261770), (1628, 130885), (2035, 104708), (4070, 52354), (8140, 26177)]