31384100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 75286848

約数和(自身を除く): 43902748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 206, 220, 275, 277, 412, 515, 550, 554, 1030, 1100, 1108, 1133, 1385, 2060, 2266, 2575, 2770, 3047, 4532, 5150, 5540, 5665, 6094, 6925, 10300, 11330, 12188, 13850, 15235, 22660, 27700, 28325, 28531, 30470, 56650, 57062, 60940, 76175, 113300, 114124, 142655, 152350, 285310, 304700, 313841, 570620, 627682, 713275, 1255364, 1426550, 1569205, 2853100, 3138410, 6276820, 7846025, 15692050, 31384100]

約数ペア:

[(1, 31384100), (2, 15692050), (4, 7846025), (5, 6276820), (10, 3138410), (11, 2853100), (20, 1569205), (22, 1426550), (25, 1255364), (44, 713275), (50, 627682), (55, 570620), (100, 313841), (103, 304700), (110, 285310), (206, 152350), (220, 142655), (275, 114124), (277, 113300), (412, 76175), (515, 60940), (550, 57062), (554, 56650), (1030, 30470), (1100, 28531), (1108, 28325), (1133, 27700), (1385, 22660), (2060, 15235), (2266, 13850), (2575, 12188), (2770, 11330), (3047, 10300), (4532, 6925), (5150, 6094), (5540, 5665)]