165701980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 355138560

約数和(自身を除く): 189436580

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 445, 508, 635, 733, 890, 1270, 1466, 1780, 2540, 2932, 3665, 7330, 11303, 14660, 22606, 45212, 56515, 65237, 93091, 113030, 130474, 186182, 226060, 260948, 326185, 372364, 465455, 652370, 930910, 1304740, 1861820, 8285099, 16570198, 33140396, 41425495, 82850990, 165701980]

約数ペア:

[(1, 165701980), (2, 82850990), (4, 41425495), (5, 33140396), (10, 16570198), (20, 8285099), (89, 1861820), (127, 1304740), (178, 930910), (254, 652370), (356, 465455), (445, 372364), (508, 326185), (635, 260948), (733, 226060), (890, 186182), (1270, 130474), (1466, 113030), (1780, 93091), (2540, 65237), (2932, 56515), (3665, 45212), (7330, 22606), (11303, 14660)]