78829970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3851}}^1$

素因数の和:3970

約数の個数: 32

約数和(自身を含む): 149765760

約数和(自身を除く): 70935790

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 3851, 4094, 7702, 10235, 19255, 20470, 38510, 88573, 177146, 342739, 442865, 685478, 885730, 1713695, 3427390, 7882997, 15765994, 39414985, 78829970]

約数ペア:

[(1, 78829970), (2, 39414985), (5, 15765994), (10, 7882997), (23, 3427390), (46, 1713695), (89, 885730), (115, 685478), (178, 442865), (230, 342739), (445, 177146), (890, 88573), (2047, 38510), (3851, 20470), (4094, 19255), (7702, 10235)]