407454940

素因数分解:

$2^2\times 5^1\times {\mathrm{2953}}^1\times {\mathrm{6899}}^1$

素因数の和:9861

約数の個数: 24

約数和(自身を含む): 856069200

約数和(自身を除く): 448614260

約数列:

[1, 2, 4, 5, 10, 20, 2953, 5906, 6899, 11812, 13798, 14765, 27596, 29530, 34495, 59060, 68990, 137980, 20372747, 40745494, 81490988, 101863735, 203727470, 407454940]

約数ペア:

[(1, 407454940), (2, 203727470), (4, 101863735), (5, 81490988), (10, 40745494), (20, 20372747), (2953, 137980), (5906, 68990), (6899, 59060), (11812, 34495), (13798, 29530), (14765, 27596)]