42240290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1658

約数の個数: 32

約数和(自身を含む): 79418880

約数和(自身を除く): 37178590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 1531, 2759, 3062, 5518, 7655, 13795, 15310, 27590, 47461, 94922, 136259, 237305, 272518, 474610, 681295, 1362590, 4224029, 8448058, 21120145, 42240290]

約数ペア:

[(1, 42240290), (2, 21120145), (5, 8448058), (10, 4224029), (31, 1362590), (62, 681295), (89, 474610), (155, 272518), (178, 237305), (310, 136259), (445, 94922), (890, 47461), (1531, 27590), (2759, 15310), (3062, 13795), (5518, 7655)]