31705700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^3$

素因数の和:114

約数の個数: 72

約数和(自身を含む): 76739880

約数和(自身を除く): 45034180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 841, 1300, 1450, 1508, 1682, 1885, 2900, 3364, 3770, 4205, 7540, 8410, 9425, 10933, 16820, 18850, 21025, 21866, 24389, 37700, 42050, 43732, 48778, 54665, 84100, 97556, 109330, 121945, 218660, 243890, 273325, 317057, 487780, 546650, 609725, 634114, 1093300, 1219450, 1268228, 1585285, 2438900, 3170570, 6341140, 7926425, 15852850, 31705700]

約数ペア:

[(1, 31705700), (2, 15852850), (4, 7926425), (5, 6341140), (10, 3170570), (13, 2438900), (20, 1585285), (25, 1268228), (26, 1219450), (29, 1093300), (50, 634114), (52, 609725), (58, 546650), (65, 487780), (100, 317057), (116, 273325), (130, 243890), (145, 218660), (260, 121945), (290, 109330), (325, 97556), (377, 84100), (580, 54665), (650, 48778), (725, 43732), (754, 42050), (841, 37700), (1300, 24389), (1450, 21866), (1508, 21025), (1682, 18850), (1885, 16820), (2900, 10933), (3364, 9425), (3770, 8410), (4205, 7540)]