64360940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1709}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 155131200

約数和(自身を除く): 90770260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1709, 1883, 2690, 3418, 3766, 5380, 6836, 7532, 8545, 9415, 11963, 17090, 18830, 23926, 34180, 37660, 47852, 59815, 119630, 239260, 459721, 919442, 1838884, 2298605, 3218047, 4597210, 6436094, 9194420, 12872188, 16090235, 32180470, 64360940]

約数ペア:

[(1, 64360940), (2, 32180470), (4, 16090235), (5, 12872188), (7, 9194420), (10, 6436094), (14, 4597210), (20, 3218047), (28, 2298605), (35, 1838884), (70, 919442), (140, 459721), (269, 239260), (538, 119630), (1076, 59815), (1345, 47852), (1709, 37660), (1883, 34180), (2690, 23926), (3418, 18830), (3766, 17090), (5380, 11963), (6836, 9415), (7532, 8545)]