136417420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 292027680

約数和(自身を除く): 155610260

約数列:

[1, 2, 4, 5, 10, 20, 89, 173, 178, 346, 356, 443, 445, 692, 865, 886, 890, 1730, 1772, 1780, 2215, 3460, 4430, 8860, 15397, 30794, 39427, 61588, 76639, 76985, 78854, 153278, 153970, 157708, 197135, 306556, 307940, 383195, 394270, 766390, 788540, 1532780, 6820871, 13641742, 27283484, 34104355, 68208710, 136417420]

約数ペア:

[(1, 136417420), (2, 68208710), (4, 34104355), (5, 27283484), (10, 13641742), (20, 6820871), (89, 1532780), (173, 788540), (178, 766390), (346, 394270), (356, 383195), (443, 307940), (445, 306556), (692, 197135), (865, 157708), (886, 153970), (890, 153278), (1730, 78854), (1772, 76985), (1780, 76639), (2215, 61588), (3460, 39427), (4430, 30794), (8860, 15397)]