4142380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 9999360

約数和(自身を除く): 5856980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 991, 1045, 1982, 2090, 3964, 4180, 4955, 9910, 10901, 18829, 19820, 21802, 37658, 43604, 54505, 75316, 94145, 109010, 188290, 207119, 218020, 376580, 414238, 828476, 1035595, 2071190, 4142380]

約数ペア:

[(1, 4142380), (2, 2071190), (4, 1035595), (5, 828476), (10, 414238), (11, 376580), (19, 218020), (20, 207119), (22, 188290), (38, 109010), (44, 94145), (55, 75316), (76, 54505), (95, 43604), (110, 37658), (190, 21802), (209, 19820), (220, 18829), (380, 10901), (418, 9910), (836, 4955), (991, 4180), (1045, 3964), (1982, 2090)]