42118620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9887}}^1$

素因数の和:9970

約数の個数: 48

約数和(自身を含む): 119605248

約数和(自身を除く): 77486628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 9887, 19774, 29661, 39548, 49435, 59322, 98870, 118644, 148305, 197740, 296610, 593220, 701977, 1403954, 2105931, 2807908, 3509885, 4211862, 7019770, 8423724, 10529655, 14039540, 21059310, 42118620]

約数ペア:

[(1, 42118620), (2, 21059310), (3, 14039540), (4, 10529655), (5, 8423724), (6, 7019770), (10, 4211862), (12, 3509885), (15, 2807908), (20, 2105931), (30, 1403954), (60, 701977), (71, 593220), (142, 296610), (213, 197740), (284, 148305), (355, 118644), (426, 98870), (710, 59322), (852, 49435), (1065, 39548), (1420, 29661), (2130, 19774), (4260, 9887)]