89837790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1021}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 247242240

約数和(自身を除く): 157404450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 419, 838, 1021, 1257, 2042, 2095, 2514, 2933, 3063, 4190, 5105, 5866, 6126, 6285, 7147, 8799, 10210, 12570, 14294, 14665, 15315, 17598, 21441, 29330, 30630, 35735, 42882, 43995, 71470, 87990, 107205, 214410, 427799, 855598, 1283397, 2138995, 2566794, 2994593, 4277990, 5989186, 6416985, 8983779, 12833970, 14972965, 17967558, 29945930, 44918895, 89837790]

約数ペア:

[(1, 89837790), (2, 44918895), (3, 29945930), (5, 17967558), (6, 14972965), (7, 12833970), (10, 8983779), (14, 6416985), (15, 5989186), (21, 4277990), (30, 2994593), (35, 2566794), (42, 2138995), (70, 1283397), (105, 855598), (210, 427799), (419, 214410), (838, 107205), (1021, 87990), (1257, 71470), (2042, 43995), (2095, 42882), (2514, 35735), (2933, 30630), (3063, 29330), (4190, 21441), (5105, 17598), (5866, 15315), (6126, 14665), (6285, 14294), (7147, 12570), (8799, 10210)]