250420480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6363

約数の個数: 72

約数和(自身を含む): 619282944

約数和(自身を除く): 368862464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 6311, 7936, 9920, 12622, 19840, 25244, 31555, 39680, 50488, 63110, 100976, 126220, 195641, 201952, 252440, 391282, 403904, 504880, 782564, 807808, 978205, 1009760, 1565128, 1615616, 1956410, 2019520, 3130256, 3912820, 4039040, 6260512, 7825640, 8078080, 12521024, 15651280, 25042048, 31302560, 50084096, 62605120, 125210240, 250420480]

約数ペア:

[(1, 250420480), (2, 125210240), (4, 62605120), (5, 50084096), (8, 31302560), (10, 25042048), (16, 15651280), (20, 12521024), (31, 8078080), (32, 7825640), (40, 6260512), (62, 4039040), (64, 3912820), (80, 3130256), (124, 2019520), (128, 1956410), (155, 1615616), (160, 1565128), (248, 1009760), (256, 978205), (310, 807808), (320, 782564), (496, 504880), (620, 403904), (640, 391282), (992, 252440), (1240, 201952), (1280, 195641), (1984, 126220), (2480, 100976), (3968, 63110), (4960, 50488), (6311, 39680), (7936, 31555), (9920, 25244), (12622, 19840)]