7478020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 18043200

約数和(自身を除く): 10565180

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, 1789, 2090, 3578, 4180, 7156, 8945, 17890, 19679, 33991, 35780, 39358, 67982, 78716, 98395, 135964, 169955, 196790, 339910, 373901, 393580, 679820, 747802, 1495604, 1869505, 3739010, 7478020]

約数ペア:

[(1, 7478020), (2, 3739010), (4, 1869505), (5, 1495604), (10, 747802), (11, 679820), (19, 393580), (20, 373901), (22, 339910), (38, 196790), (44, 169955), (55, 135964), (76, 98395), (95, 78716), (110, 67982), (190, 39358), (209, 35780), (220, 33991), (380, 19679), (418, 17890), (836, 8945), (1045, 7156), (1789, 4180), (2090, 3578)]