1900537579330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{981637}}^1$

素因数の和:981991

約数の個数: 64

約数和(自身を含む): 3766992632928

約数和(自身を除く): 1866455053598

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 281, 530, 562, 689, 1378, 1405, 2810, 3445, 3653, 6890, 7306, 14893, 18265, 29786, 36530, 74465, 148930, 193609, 387218, 968045, 981637, 1936090, 1963274, 4908185, 9816370, 12761281, 25522562, 52026761, 63806405, 104053522, 127612810, 260133805, 275839997, 520267610, 551679994, 676347893, 1352695786, 1379199985, 2758399970, 3381739465, 3585919961, 6763478930, 7171839922, 14619519841, 17929599805, 29239039682, 35859199610, 73097599205, 146195198410, 190053757933, 380107515866, 950268789665, 1900537579330]

約数ペア:

[(1, 1900537579330), (2, 950268789665), (5, 380107515866), (10, 190053757933), (13, 146195198410), (26, 73097599205), (53, 35859199610), (65, 29239039682), (106, 17929599805), (130, 14619519841), (265, 7171839922), (281, 6763478930), (530, 3585919961), (562, 3381739465), (689, 2758399970), (1378, 1379199985), (1405, 1352695786), (2810, 676347893), (3445, 551679994), (3653, 520267610), (6890, 275839997), (7306, 260133805), (14893, 127612810), (18265, 104053522), (29786, 63806405), (36530, 52026761), (74465, 25522562), (148930, 12761281), (193609, 9816370), (387218, 4908185), (968045, 1963274), (981637, 1936090)]