29910760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67979}}^1$

素因数の和:68001

約数の個数: 32

約数和(自身を含む): 73418400

約数和(自身を除く): 43507640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 67979, 135958, 271916, 339895, 543832, 679790, 747769, 1359580, 1495538, 2719160, 2991076, 3738845, 5982152, 7477690, 14955380, 29910760]

約数ペア:

[(1, 29910760), (2, 14955380), (4, 7477690), (5, 5982152), (8, 3738845), (10, 2991076), (11, 2719160), (20, 1495538), (22, 1359580), (40, 747769), (44, 679790), (55, 543832), (88, 339895), (110, 271916), (220, 135958), (440, 67979)]