11811880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 28563840

約数和(自身を除く): 16751960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 347, 370, 460, 694, 740, 851, 920, 1388, 1480, 1702, 1735, 2776, 3404, 3470, 4255, 6808, 6940, 7981, 8510, 12839, 13880, 15962, 17020, 25678, 31924, 34040, 39905, 51356, 63848, 64195, 79810, 102712, 128390, 159620, 256780, 295297, 319240, 513560, 590594, 1181188, 1476485, 2362376, 2952970, 5905940, 11811880]

約数ペア:

[(1, 11811880), (2, 5905940), (4, 2952970), (5, 2362376), (8, 1476485), (10, 1181188), (20, 590594), (23, 513560), (37, 319240), (40, 295297), (46, 256780), (74, 159620), (92, 128390), (115, 102712), (148, 79810), (184, 64195), (185, 63848), (230, 51356), (296, 39905), (347, 34040), (370, 31924), (460, 25678), (694, 17020), (740, 15962), (851, 13880), (920, 12839), (1388, 8510), (1480, 7981), (1702, 6940), (1735, 6808), (2776, 4255), (3404, 3470)]