28647250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 58331520

約数和(自身を除く): 29684270

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 125, 163, 185, 190, 250, 326, 370, 475, 703, 815, 925, 950, 1406, 1630, 1850, 2375, 3097, 3515, 4075, 4625, 4750, 6031, 6194, 7030, 8150, 9250, 12062, 15485, 17575, 20375, 30155, 30970, 35150, 40750, 60310, 77425, 87875, 114589, 150775, 154850, 175750, 229178, 301550, 387125, 572945, 753875, 774250, 1145890, 1507750, 2864725, 5729450, 14323625, 28647250]

約数ペア:

[(1, 28647250), (2, 14323625), (5, 5729450), (10, 2864725), (19, 1507750), (25, 1145890), (37, 774250), (38, 753875), (50, 572945), (74, 387125), (95, 301550), (125, 229178), (163, 175750), (185, 154850), (190, 150775), (250, 114589), (326, 87875), (370, 77425), (475, 60310), (703, 40750), (815, 35150), (925, 30970), (950, 30155), (1406, 20375), (1630, 17575), (1850, 15485), (2375, 12062), (3097, 9250), (3515, 8150), (4075, 7030), (4625, 6194), (4750, 6031)]