7921290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1111

約数の個数: 64

約数和(自身を含む): 21571200

約数和(自身を除く): 13649910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1069, 1235, 1482, 2138, 2470, 3207, 3705, 5345, 6414, 7410, 10690, 13897, 16035, 20311, 27794, 32070, 40622, 41691, 60933, 69485, 83382, 101555, 121866, 138970, 203110, 208455, 264043, 304665, 416910, 528086, 609330, 792129, 1320215, 1584258, 2640430, 3960645, 7921290]

約数ペア:

[(1, 7921290), (2, 3960645), (3, 2640430), (5, 1584258), (6, 1320215), (10, 792129), (13, 609330), (15, 528086), (19, 416910), (26, 304665), (30, 264043), (38, 208455), (39, 203110), (57, 138970), (65, 121866), (78, 101555), (95, 83382), (114, 69485), (130, 60933), (190, 41691), (195, 40622), (247, 32070), (285, 27794), (390, 20311), (494, 16035), (570, 13897), (741, 10690), (1069, 7410), (1235, 6414), (1482, 5345), (2138, 3705), (2470, 3207)]