2104820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 4838400

約数和(自身を除く): 2733580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 191, 290, 380, 382, 551, 580, 764, 955, 1102, 1910, 2204, 2755, 3629, 3820, 5510, 5539, 7258, 11020, 11078, 14516, 18145, 22156, 27695, 36290, 55390, 72580, 105241, 110780, 210482, 420964, 526205, 1052410, 2104820]

約数ペア:

[(1, 2104820), (2, 1052410), (4, 526205), (5, 420964), (10, 210482), (19, 110780), (20, 105241), (29, 72580), (38, 55390), (58, 36290), (76, 27695), (95, 22156), (116, 18145), (145, 14516), (190, 11078), (191, 11020), (290, 7258), (380, 5539), (382, 5510), (551, 3820), (580, 3629), (764, 2755), (955, 2204), (1102, 1910)]