156737020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1451}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 360049536

約数和(自身を除く): 203312516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 491, 982, 1451, 1964, 2455, 2902, 4910, 5401, 5804, 7255, 9820, 10802, 14510, 15961, 21604, 27005, 29020, 31922, 54010, 63844, 79805, 108020, 159610, 319220, 712441, 1424882, 2849764, 3562205, 7124410, 7836851, 14248820, 15673702, 31347404, 39184255, 78368510, 156737020]

約数ペア:

[(1, 156737020), (2, 78368510), (4, 39184255), (5, 31347404), (10, 15673702), (11, 14248820), (20, 7836851), (22, 7124410), (44, 3562205), (55, 2849764), (110, 1424882), (220, 712441), (491, 319220), (982, 159610), (1451, 108020), (1964, 79805), (2455, 63844), (2902, 54010), (4910, 31922), (5401, 29020), (5804, 27005), (7255, 21604), (9820, 15961), (10802, 14510)]