42939875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 62741952

約数和(自身を除く): 19802077

約数列:

[1, 5, 11, 17, 25, 55, 85, 121, 125, 167, 187, 275, 425, 605, 835, 935, 1375, 1837, 2057, 2125, 2839, 3025, 4175, 4675, 9185, 10285, 14195, 15125, 20207, 20875, 23375, 31229, 45925, 51425, 70975, 101035, 156145, 229625, 257125, 343519, 354875, 505175, 780725, 1717595, 2525875, 3903625, 8587975, 42939875]

約数ペア:

[(1, 42939875), (5, 8587975), (11, 3903625), (17, 2525875), (25, 1717595), (55, 780725), (85, 505175), (121, 354875), (125, 343519), (167, 257125), (187, 229625), (275, 156145), (425, 101035), (605, 70975), (835, 51425), (935, 45925), (1375, 31229), (1837, 23375), (2057, 20875), (2125, 20207), (2839, 15125), (3025, 14195), (4175, 10285), (4675, 9185)]