142731940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 332581032

約数和(自身を除く): 189849092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 401, 481, 740, 802, 962, 1369, 1604, 1924, 2005, 2405, 2738, 4010, 4810, 5213, 5476, 6845, 8020, 9620, 10426, 13690, 14837, 17797, 20852, 26065, 27380, 29674, 35594, 52130, 59348, 71188, 74185, 88985, 104260, 148370, 177970, 192881, 296740, 355940, 385762, 548969, 771524, 964405, 1097938, 1928810, 2195876, 2744845, 3857620, 5489690, 7136597, 10979380, 14273194, 28546388, 35682985, 71365970, 142731940]

約数ペア:

[(1, 142731940), (2, 71365970), (4, 35682985), (5, 28546388), (10, 14273194), (13, 10979380), (20, 7136597), (26, 5489690), (37, 3857620), (52, 2744845), (65, 2195876), (74, 1928810), (130, 1097938), (148, 964405), (185, 771524), (260, 548969), (370, 385762), (401, 355940), (481, 296740), (740, 192881), (802, 177970), (962, 148370), (1369, 104260), (1604, 88985), (1924, 74185), (2005, 71188), (2405, 59348), (2738, 52130), (4010, 35594), (4810, 29674), (5213, 27380), (5476, 26065), (6845, 20852), (8020, 17797), (9620, 14837), (10426, 13690)]