87765700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3469}}^1$

素因数の和:3517

約数の個数: 72

約数和(自身を含む): 216861120

約数和(自身を除く): 129095420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 3469, 5060, 6325, 6938, 12650, 13876, 17345, 25300, 34690, 38159, 69380, 76318, 79787, 86725, 152636, 159574, 173450, 190795, 319148, 346900, 381590, 398935, 763180, 797870, 877657, 953975, 1595740, 1755314, 1907950, 1994675, 3510628, 3815900, 3989350, 4388285, 7978700, 8776570, 17553140, 21941425, 43882850, 87765700]

約数ペア:

[(1, 87765700), (2, 43882850), (4, 21941425), (5, 17553140), (10, 8776570), (11, 7978700), (20, 4388285), (22, 3989350), (23, 3815900), (25, 3510628), (44, 1994675), (46, 1907950), (50, 1755314), (55, 1595740), (92, 953975), (100, 877657), (110, 797870), (115, 763180), (220, 398935), (230, 381590), (253, 346900), (275, 319148), (460, 190795), (506, 173450), (550, 159574), (575, 152636), (1012, 86725), (1100, 79787), (1150, 76318), (1265, 69380), (2300, 38159), (2530, 34690), (3469, 25300), (5060, 17345), (6325, 13876), (6938, 12650)]