1114280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 2543400

約数和(自身を除く): 1429120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 313, 356, 445, 626, 712, 890, 1252, 1565, 1780, 2504, 3130, 3560, 6260, 12520, 27857, 55714, 111428, 139285, 222856, 278570, 557140, 1114280]

約数ペア:

[(1, 1114280), (2, 557140), (4, 278570), (5, 222856), (8, 139285), (10, 111428), (20, 55714), (40, 27857), (89, 12520), (178, 6260), (313, 3560), (356, 3130), (445, 2504), (626, 1780), (712, 1565), (890, 1252)]