123265940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12401}}^1$

素因数の和:12488

約数の個数: 48

約数和(自身を含む): 300029184

約数和(自身を除く): 176763244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 12401, 24802, 49604, 62005, 86807, 124010, 173614, 248020, 347228, 434035, 868070, 880471, 1736140, 1760942, 3521884, 4402355, 6163297, 8804710, 12326594, 17609420, 24653188, 30816485, 61632970, 123265940]

約数ペア:

[(1, 123265940), (2, 61632970), (4, 30816485), (5, 24653188), (7, 17609420), (10, 12326594), (14, 8804710), (20, 6163297), (28, 4402355), (35, 3521884), (70, 1760942), (71, 1736140), (140, 880471), (142, 868070), (284, 434035), (355, 347228), (497, 248020), (710, 173614), (994, 124010), (1420, 86807), (1988, 62005), (2485, 49604), (4970, 24802), (9940, 12401)]