4022900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 54

約数和(自身を含む): 10167318

約数和(自身を除く): 6144418

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 821, 980, 1225, 1642, 2450, 3284, 4105, 4900, 5747, 8210, 11494, 16420, 20525, 22988, 28735, 40229, 41050, 57470, 80458, 82100, 114940, 143675, 160916, 201145, 287350, 402290, 574700, 804580, 1005725, 2011450, 4022900]

約数ペア:

[(1, 4022900), (2, 2011450), (4, 1005725), (5, 804580), (7, 574700), (10, 402290), (14, 287350), (20, 201145), (25, 160916), (28, 143675), (35, 114940), (49, 82100), (50, 80458), (70, 57470), (98, 41050), (100, 40229), (140, 28735), (175, 22988), (196, 20525), (245, 16420), (350, 11494), (490, 8210), (700, 5747), (821, 4900), (980, 4105), (1225, 3284), (1642, 2450)]