3208520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1637}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 8402940

約数和(自身を除く): 5194420

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, 1637, 1960, 3274, 6548, 8185, 11459, 13096, 16370, 22918, 32740, 45836, 57295, 65480, 80213, 91672, 114590, 160426, 229180, 320852, 401065, 458360, 641704, 802130, 1604260, 3208520]

約数ペア:

[(1, 3208520), (2, 1604260), (4, 802130), (5, 641704), (7, 458360), (8, 401065), (10, 320852), (14, 229180), (20, 160426), (28, 114590), (35, 91672), (40, 80213), (49, 65480), (56, 57295), (70, 45836), (98, 32740), (140, 22918), (196, 16370), (245, 13096), (280, 11459), (392, 8185), (490, 6548), (980, 3274), (1637, 1960)]