254430485

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 344010240

約数和(自身を除く): 89579755

約数列:

[1, 5, 23, 29, 31, 107, 115, 145, 155, 529, 535, 667, 713, 899, 2461, 2645, 3103, 3317, 3335, 3565, 4495, 12305, 15341, 15515, 16399, 16585, 20677, 56603, 71369, 76291, 76705, 81995, 96193, 103385, 283015, 356845, 381455, 475571, 480965, 1641487, 1754693, 2212439, 2377855, 8207435, 8773465, 11062195, 50886097, 254430485]

約数ペア:

[(1, 254430485), (5, 50886097), (23, 11062195), (29, 8773465), (31, 8207435), (107, 2377855), (115, 2212439), (145, 1754693), (155, 1641487), (529, 480965), (535, 475571), (667, 381455), (713, 356845), (899, 283015), (2461, 103385), (2645, 96193), (3103, 81995), (3317, 76705), (3335, 76291), (3565, 71369), (4495, 56603), (12305, 20677), (15341, 16585), (15515, 16399)]