5521940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 12474000

約数和(自身を除く): 6952060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 149, 170, 218, 298, 340, 436, 545, 596, 745, 1090, 1490, 1853, 2180, 2533, 2980, 3706, 5066, 7412, 9265, 10132, 12665, 16241, 18530, 25330, 32482, 37060, 50660, 64964, 81205, 162410, 276097, 324820, 552194, 1104388, 1380485, 2760970, 5521940]

約数ペア:

[(1, 5521940), (2, 2760970), (4, 1380485), (5, 1104388), (10, 552194), (17, 324820), (20, 276097), (34, 162410), (68, 81205), (85, 64964), (109, 50660), (149, 37060), (170, 32482), (218, 25330), (298, 18530), (340, 16241), (436, 12665), (545, 10132), (596, 9265), (745, 7412), (1090, 5066), (1490, 3706), (1853, 2980), (2180, 2533)]