179144540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5297}}^1$

素因数の和:5414

約数の個数: 48

約数和(自身を含む): 400528800

約数和(自身を除く): 221384260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 5297, 6764, 8455, 10594, 16910, 21188, 26485, 33820, 52970, 100643, 105940, 201286, 402572, 471433, 503215, 942866, 1006430, 1885732, 2012860, 2357165, 4714330, 8957227, 9428660, 17914454, 35828908, 44786135, 89572270, 179144540]

約数ペア:

[(1, 179144540), (2, 89572270), (4, 44786135), (5, 35828908), (10, 17914454), (19, 9428660), (20, 8957227), (38, 4714330), (76, 2357165), (89, 2012860), (95, 1885732), (178, 1006430), (190, 942866), (356, 503215), (380, 471433), (445, 402572), (890, 201286), (1691, 105940), (1780, 100643), (3382, 52970), (5297, 33820), (6764, 26485), (8455, 21188), (10594, 16910)]