440860

素因数分解:

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

素因数の和:130

約数の個数: 48

約数和(自身を含む): 1096704

約数和(自身を除く): 655844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 67, 70, 94, 134, 140, 188, 235, 268, 329, 335, 469, 470, 658, 670, 938, 940, 1316, 1340, 1645, 1876, 2345, 3149, 3290, 4690, 6298, 6580, 9380, 12596, 15745, 22043, 31490, 44086, 62980, 88172, 110215, 220430, 440860]

約数ペア:

[(1, 440860), (2, 220430), (4, 110215), (5, 88172), (7, 62980), (10, 44086), (14, 31490), (20, 22043), (28, 15745), (35, 12596), (47, 9380), (67, 6580), (70, 6298), (94, 4690), (134, 3290), (140, 3149), (188, 2345), (235, 1876), (268, 1645), (329, 1340), (335, 1316), (469, 940), (470, 938), (658, 670)]