22501780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22961}}^1$

素因数の和:22984

約数の個数: 36

約数和(自身を含む): 54971028

約数和(自身を除く): 32469248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22961, 45922, 91844, 114805, 160727, 229610, 321454, 459220, 642908, 803635, 1125089, 1607270, 2250178, 3214540, 4500356, 5625445, 11250890, 22501780]

約数ペア:

[(1, 22501780), (2, 11250890), (4, 5625445), (5, 4500356), (7, 3214540), (10, 2250178), (14, 1607270), (20, 1125089), (28, 803635), (35, 642908), (49, 459220), (70, 321454), (98, 229610), (140, 160727), (196, 114805), (245, 91844), (490, 45922), (980, 22961)]