881720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 2350080

約数和(自身を除く): 1468360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 67, 70, 94, 134, 140, 188, 235, 268, 280, 329, 335, 376, 469, 470, 536, 658, 670, 938, 940, 1316, 1340, 1645, 1876, 1880, 2345, 2632, 2680, 3149, 3290, 3752, 4690, 6298, 6580, 9380, 12596, 13160, 15745, 18760, 22043, 25192, 31490, 44086, 62980, 88172, 110215, 125960, 176344, 220430, 440860, 881720]

約数ペア:

[(1, 881720), (2, 440860), (4, 220430), (5, 176344), (7, 125960), (8, 110215), (10, 88172), (14, 62980), (20, 44086), (28, 31490), (35, 25192), (40, 22043), (47, 18760), (56, 15745), (67, 13160), (70, 12596), (94, 9380), (134, 6580), (140, 6298), (188, 4690), (235, 3752), (268, 3290), (280, 3149), (329, 2680), (335, 2632), (376, 2345), (469, 1880), (470, 1876), (536, 1645), (658, 1340), (670, 1316), (938, 940)]