738007960

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{12391}}^1$

素因数の和:13891

約数の個数: 32

約数和(自身を含む): 1661767200

約数和(自身を除く): 923759240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2978, 5956, 7445, 11912, 12391, 14890, 24782, 29780, 49564, 59560, 61955, 99128, 123910, 247820, 495640, 18450199, 36900398, 73800796, 92250995, 147601592, 184501990, 369003980, 738007960]

約数ペア:

[(1, 738007960), (2, 369003980), (4, 184501990), (5, 147601592), (8, 92250995), (10, 73800796), (20, 36900398), (40, 18450199), (1489, 495640), (2978, 247820), (5956, 123910), (7445, 99128), (11912, 61955), (12391, 59560), (14890, 49564), (24782, 29780)]