28396460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 64520064

約数和(自身を除く): 36123604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1777, 3196, 3554, 3995, 7108, 7990, 8885, 15980, 17770, 30209, 35540, 60418, 83519, 120836, 151045, 167038, 302090, 334076, 417595, 604180, 835190, 1419823, 1670380, 2839646, 5679292, 7099115, 14198230, 28396460]

約数ペア:

[(1, 28396460), (2, 14198230), (4, 7099115), (5, 5679292), (10, 2839646), (17, 1670380), (20, 1419823), (34, 835190), (47, 604180), (68, 417595), (85, 334076), (94, 302090), (170, 167038), (188, 151045), (235, 120836), (340, 83519), (470, 60418), (799, 35540), (940, 30209), (1598, 17770), (1777, 15980), (3196, 8885), (3554, 7990), (3995, 7108)]