291280240

素因数分解:

$2^4\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{3301}}^1$

素因数の和:4417

約数の個数: 40

約数和(自身を含む): 678045888

約数和(自身を除く): 386765648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1103, 2206, 3301, 4412, 5515, 6602, 8824, 11030, 13204, 16505, 17648, 22060, 26408, 33010, 44120, 52816, 66020, 88240, 132040, 264080, 3641003, 7282006, 14564012, 18205015, 29128024, 36410030, 58256048, 72820060, 145640120, 291280240]

約数ペア:

[(1, 291280240), (2, 145640120), (4, 72820060), (5, 58256048), (8, 36410030), (10, 29128024), (16, 18205015), (20, 14564012), (40, 7282006), (80, 3641003), (1103, 264080), (2206, 132040), (3301, 88240), (4412, 66020), (5515, 52816), (6602, 44120), (8824, 33010), (11030, 26408), (13204, 22060), (16505, 17648)]