30872930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 32579230

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 67, 71, 110, 118, 134, 142, 295, 335, 355, 590, 649, 670, 710, 737, 781, 1298, 1474, 1562, 3245, 3685, 3905, 3953, 4189, 4757, 6490, 7370, 7810, 7906, 8378, 9514, 19765, 20945, 23785, 39530, 41890, 43483, 46079, 47570, 52327, 86966, 92158, 104654, 217415, 230395, 261635, 280663, 434830, 460790, 523270, 561326, 1403315, 2806630, 3087293, 6174586, 15436465, 30872930]

約数ペア:

[(1, 30872930), (2, 15436465), (5, 6174586), (10, 3087293), (11, 2806630), (22, 1403315), (55, 561326), (59, 523270), (67, 460790), (71, 434830), (110, 280663), (118, 261635), (134, 230395), (142, 217415), (295, 104654), (335, 92158), (355, 86966), (590, 52327), (649, 47570), (670, 46079), (710, 43483), (737, 41890), (781, 39530), (1298, 23785), (1474, 20945), (1562, 19765), (3245, 9514), (3685, 8378), (3905, 7906), (3953, 7810), (4189, 7370), (4757, 6490)]