261036287860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1\times {\mathrm{123983}}^1$

素因数の和:124237

約数の個数: 72

約数和(自身を含む): 575930476800

約数和(自身を除く): 314894188940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 529, 796, 995, 1058, 1990, 2116, 2645, 3980, 4577, 5290, 9154, 10580, 18308, 22885, 45770, 91540, 105271, 123983, 210542, 247966, 421084, 495932, 526355, 619915, 1052710, 1239830, 2105420, 2479660, 2851609, 5703218, 11406436, 14258045, 24672617, 28516090, 49345234, 57032180, 65587007, 98690468, 123363085, 131174014, 246726170, 262348028, 327935035, 493452340, 567470191, 655870070, 1134940382, 1311740140, 2269880764, 2837350955, 5674701910, 11349403820, 13051814393, 26103628786, 52207257572, 65259071965, 130518143930, 261036287860]

約数ペア:

[(1, 261036287860), (2, 130518143930), (4, 65259071965), (5, 52207257572), (10, 26103628786), (20, 13051814393), (23, 11349403820), (46, 5674701910), (92, 2837350955), (115, 2269880764), (199, 1311740140), (230, 1134940382), (398, 655870070), (460, 567470191), (529, 493452340), (796, 327935035), (995, 262348028), (1058, 246726170), (1990, 131174014), (2116, 123363085), (2645, 98690468), (3980, 65587007), (4577, 57032180), (5290, 49345234), (9154, 28516090), (10580, 24672617), (18308, 14258045), (22885, 11406436), (45770, 5703218), (91540, 2851609), (105271, 2479660), (123983, 2105420), (210542, 1239830), (247966, 1052710), (421084, 619915), (495932, 526355)]