690945550

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1525

約数の個数: 48

約数和(自身を含む): 1311322320

約数和(自身を除く): 620376770

約数列:

[1, 2, 5, 10, 25, 50, 97, 109, 194, 218, 485, 545, 970, 1090, 1307, 2425, 2614, 2725, 4850, 5450, 6535, 10573, 13070, 21146, 32675, 52865, 65350, 105730, 126779, 142463, 253558, 264325, 284926, 528650, 633895, 712315, 1267790, 1424630, 3169475, 3561575, 6338950, 7123150, 13818911, 27637822, 69094555, 138189110, 345472775, 690945550]

約数ペア:

[(1, 690945550), (2, 345472775), (5, 138189110), (10, 69094555), (25, 27637822), (50, 13818911), (97, 7123150), (109, 6338950), (194, 3561575), (218, 3169475), (485, 1424630), (545, 1267790), (970, 712315), (1090, 633895), (1307, 528650), (2425, 284926), (2614, 264325), (2725, 253558), (4850, 142463), (5450, 126779), (6535, 105730), (10573, 65350), (13070, 52865), (21146, 32675)]