127782050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{21121}}^1$

素因数の和:21155

約数の個数: 36

約数和(自身を含む): 261258018

約数和(自身を除く): 133475968

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 6050, 21121, 42242, 105605, 211210, 232331, 464662, 528025, 1056050, 1161655, 2323310, 2555641, 5111282, 5808275, 11616550, 12778205, 25556410, 63891025, 127782050]

約数ペア:

[(1, 127782050), (2, 63891025), (5, 25556410), (10, 12778205), (11, 11616550), (22, 5808275), (25, 5111282), (50, 2555641), (55, 2323310), (110, 1161655), (121, 1056050), (242, 528025), (275, 464662), (550, 232331), (605, 211210), (1210, 105605), (3025, 42242), (6050, 21121)]