401729240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2917}}^1$

素因数の和:3252

約数の個数: 64

約数和(自身を含む): 989552160

約数和(自身を除く): 587822920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 440, 626, 1252, 1565, 2504, 2917, 3130, 3443, 5834, 6260, 6886, 11668, 12520, 13772, 14585, 17215, 23336, 27544, 29170, 32087, 34430, 58340, 64174, 68860, 116680, 128348, 137720, 160435, 256696, 320870, 641740, 913021, 1283480, 1826042, 3652084, 4565105, 7304168, 9130210, 10043231, 18260420, 20086462, 36520840, 40172924, 50216155, 80345848, 100432310, 200864620, 401729240]

約数ペア:

[(1, 401729240), (2, 200864620), (4, 100432310), (5, 80345848), (8, 50216155), (10, 40172924), (11, 36520840), (20, 20086462), (22, 18260420), (40, 10043231), (44, 9130210), (55, 7304168), (88, 4565105), (110, 3652084), (220, 1826042), (313, 1283480), (440, 913021), (626, 641740), (1252, 320870), (1565, 256696), (2504, 160435), (2917, 137720), (3130, 128348), (3443, 116680), (5834, 68860), (6260, 64174), (6886, 58340), (11668, 34430), (12520, 32087), (13772, 29170), (14585, 27544), (17215, 23336)]