211387760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85237}}^1$

素因数の和:85281

約数の個数: 40

約数和(自身を含む): 507336576

約数和(自身を除く): 295948816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 85237, 170474, 340948, 426185, 681896, 852370, 1363792, 1704740, 2642347, 3409480, 5284694, 6818960, 10569388, 13211735, 21138776, 26423470, 42277552, 52846940, 105693880, 211387760]

約数ペア:

[(1, 211387760), (2, 105693880), (4, 52846940), (5, 42277552), (8, 26423470), (10, 21138776), (16, 13211735), (20, 10569388), (31, 6818960), (40, 5284694), (62, 3409480), (80, 2642347), (124, 1704740), (155, 1363792), (248, 852370), (310, 681896), (496, 426185), (620, 340948), (1240, 170474), (2480, 85237)]