37890020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1123}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 91394688

約数和(自身を除く): 53504668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1123, 1205, 1687, 2246, 2410, 3374, 4492, 4820, 5615, 6748, 7861, 8435, 11230, 15722, 16870, 22460, 31444, 33740, 39305, 78610, 157220, 270643, 541286, 1082572, 1353215, 1894501, 2706430, 3789002, 5412860, 7578004, 9472505, 18945010, 37890020]

約数ペア:

[(1, 37890020), (2, 18945010), (4, 9472505), (5, 7578004), (7, 5412860), (10, 3789002), (14, 2706430), (20, 1894501), (28, 1353215), (35, 1082572), (70, 541286), (140, 270643), (241, 157220), (482, 78610), (964, 39305), (1123, 33740), (1205, 31444), (1687, 22460), (2246, 16870), (2410, 15722), (3374, 11230), (4492, 8435), (4820, 7861), (5615, 6748)]