12973240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6619}}^1$

素因数の和:6644

約数の個数: 48

約数和(自身を含む): 33960600

約数和(自身を除く): 20987360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6619, 13238, 26476, 33095, 46333, 52952, 66190, 92666, 132380, 185332, 231665, 264760, 324331, 370664, 463330, 648662, 926660, 1297324, 1621655, 1853320, 2594648, 3243310, 6486620, 12973240]

約数ペア:

[(1, 12973240), (2, 6486620), (4, 3243310), (5, 2594648), (7, 1853320), (8, 1621655), (10, 1297324), (14, 926660), (20, 648662), (28, 463330), (35, 370664), (40, 324331), (49, 264760), (56, 231665), (70, 185332), (98, 132380), (140, 92666), (196, 66190), (245, 52952), (280, 46333), (392, 33095), (490, 26476), (980, 13238), (1960, 6619)]