438223550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 832111920

約数和(自身を除く): 393888370

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 257, 335, 509, 514, 670, 1018, 1285, 1675, 2545, 2570, 3350, 5090, 6425, 12725, 12850, 17219, 25450, 34103, 34438, 68206, 86095, 130813, 170515, 172190, 261626, 341030, 430475, 654065, 852575, 860950, 1308130, 1705150, 3270325, 6540650, 8764471, 17528942, 43822355, 87644710, 219111775, 438223550]

約数ペア:

[(1, 438223550), (2, 219111775), (5, 87644710), (10, 43822355), (25, 17528942), (50, 8764471), (67, 6540650), (134, 3270325), (257, 1705150), (335, 1308130), (509, 860950), (514, 852575), (670, 654065), (1018, 430475), (1285, 341030), (1675, 261626), (2545, 172190), (2570, 170515), (3350, 130813), (5090, 86095), (6425, 68206), (12725, 34438), (12850, 34103), (17219, 25450)]