128570950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 249448320

約数和(自身を除く): 120877370

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 218, 310, 545, 761, 775, 1090, 1522, 1550, 2725, 3379, 3805, 5450, 6758, 7610, 16895, 19025, 23591, 33790, 38050, 47182, 82949, 84475, 117955, 165898, 168950, 235910, 414745, 589775, 829490, 1179550, 2073725, 2571419, 4147450, 5142838, 12857095, 25714190, 64285475, 128570950]

約数ペア:

[(1, 128570950), (2, 64285475), (5, 25714190), (10, 12857095), (25, 5142838), (31, 4147450), (50, 2571419), (62, 2073725), (109, 1179550), (155, 829490), (218, 589775), (310, 414745), (545, 235910), (761, 168950), (775, 165898), (1090, 117955), (1522, 84475), (1550, 82949), (2725, 47182), (3379, 38050), (3805, 33790), (5450, 23591), (6758, 19025), (7610, 16895)]