228727240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{816883}}^1$

素因数の和:816901

約数の個数: 32

約数和(自身を含む): 588156480

約数和(自身を除く): 359429240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 816883, 1633766, 3267532, 4084415, 5718181, 6535064, 8168830, 11436362, 16337660, 22872724, 28590905, 32675320, 45745448, 57181810, 114363620, 228727240]

約数ペア:

[(1, 228727240), (2, 114363620), (4, 57181810), (5, 45745448), (7, 32675320), (8, 28590905), (10, 22872724), (14, 16337660), (20, 11436362), (28, 8168830), (35, 6535064), (40, 5718181), (56, 4084415), (70, 3267532), (140, 1633766), (280, 816883)]