31402940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1867}}^1$

素因数の和:1934

約数の個数: 36

約数和(自身を含む): 68335176

約数和(自身を除く): 36932236

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 1867, 3364, 3734, 4205, 7468, 8410, 9335, 16820, 18670, 37340, 54143, 108286, 216572, 270715, 541430, 1082860, 1570147, 3140294, 6280588, 7850735, 15701470, 31402940]

約数ペア:

[(1, 31402940), (2, 15701470), (4, 7850735), (5, 6280588), (10, 3140294), (20, 1570147), (29, 1082860), (58, 541430), (116, 270715), (145, 216572), (290, 108286), (580, 54143), (841, 37340), (1682, 18670), (1867, 16820), (3364, 9335), (3734, 8410), (4205, 7468)]