203478220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{48679}}^1$

素因数の和:48718

約数の個数: 48

約数和(自身を含む): 490694400

約数和(自身を除く): 287216180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 48679, 97358, 194716, 243395, 486790, 535469, 924901, 973580, 1070938, 1849802, 2141876, 2677345, 3699604, 4624505, 5354690, 9249010, 10173911, 10709380, 18498020, 20347822, 40695644, 50869555, 101739110, 203478220]

約数ペア:

[(1, 203478220), (2, 101739110), (4, 50869555), (5, 40695644), (10, 20347822), (11, 18498020), (19, 10709380), (20, 10173911), (22, 9249010), (38, 5354690), (44, 4624505), (55, 3699604), (76, 2677345), (95, 2141876), (110, 1849802), (190, 1070938), (209, 973580), (220, 924901), (380, 535469), (418, 486790), (836, 243395), (1045, 194716), (2090, 97358), (4180, 48679)]