9777740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 23649024

約数和(自身を除く): 13871284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 331, 422, 662, 844, 1055, 1324, 1477, 1655, 2110, 2317, 2954, 3310, 4220, 4634, 5908, 6620, 7385, 9268, 11585, 14770, 23170, 29540, 46340, 69841, 139682, 279364, 349205, 488887, 698410, 977774, 1396820, 1955548, 2444435, 4888870, 9777740]

約数ペア:

[(1, 9777740), (2, 4888870), (4, 2444435), (5, 1955548), (7, 1396820), (10, 977774), (14, 698410), (20, 488887), (28, 349205), (35, 279364), (70, 139682), (140, 69841), (211, 46340), (331, 29540), (422, 23170), (662, 14770), (844, 11585), (1055, 9268), (1324, 7385), (1477, 6620), (1655, 5908), (2110, 4634), (2317, 4220), (2954, 3310)]