818068660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{8363}}^1$

素因数の和:8512

約数の個数: 48

約数和(自身を含む): 1767681216

約数和(自身を除く): 949612556

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 292, 335, 365, 670, 730, 1340, 1460, 4891, 8363, 9782, 16726, 19564, 24455, 33452, 41815, 48910, 83630, 97820, 167260, 560321, 610499, 1120642, 1220998, 2241284, 2441996, 2801605, 3052495, 5603210, 6104990, 11206420, 12209980, 40903433, 81806866, 163613732, 204517165, 409034330, 818068660]

約数ペア:

[(1, 818068660), (2, 409034330), (4, 204517165), (5, 163613732), (10, 81806866), (20, 40903433), (67, 12209980), (73, 11206420), (134, 6104990), (146, 5603210), (268, 3052495), (292, 2801605), (335, 2441996), (365, 2241284), (670, 1220998), (730, 1120642), (1340, 610499), (1460, 560321), (4891, 167260), (8363, 97820), (9782, 83630), (16726, 48910), (19564, 41815), (24455, 33452)]