2198800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 5535360

約数和(自身を除く): 3336560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 239, 368, 400, 460, 478, 575, 920, 956, 1150, 1195, 1840, 1912, 2300, 2390, 3824, 4600, 4780, 5497, 5975, 9200, 9560, 10994, 11950, 19120, 21988, 23900, 27485, 43976, 47800, 54970, 87952, 95600, 109940, 137425, 219880, 274850, 439760, 549700, 1099400, 2198800]

約数ペア:

[(1, 2198800), (2, 1099400), (4, 549700), (5, 439760), (8, 274850), (10, 219880), (16, 137425), (20, 109940), (23, 95600), (25, 87952), (40, 54970), (46, 47800), (50, 43976), (80, 27485), (92, 23900), (100, 21988), (115, 19120), (184, 11950), (200, 10994), (230, 9560), (239, 9200), (368, 5975), (400, 5497), (460, 4780), (478, 4600), (575, 3824), (920, 2390), (956, 2300), (1150, 1912), (1195, 1840)]