228403940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{929}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 506217600

約数和(自身を除く): 277813660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 647, 929, 1294, 1858, 2588, 3235, 3716, 4645, 6470, 9290, 12293, 12940, 17651, 18580, 24586, 35302, 49172, 61465, 70604, 88255, 122930, 176510, 245860, 353020, 601063, 1202126, 2404252, 3005315, 6010630, 11420197, 12021260, 22840394, 45680788, 57100985, 114201970, 228403940]

約数ペア:

[(1, 228403940), (2, 114201970), (4, 57100985), (5, 45680788), (10, 22840394), (19, 12021260), (20, 11420197), (38, 6010630), (76, 3005315), (95, 2404252), (190, 1202126), (380, 601063), (647, 353020), (929, 245860), (1294, 176510), (1858, 122930), (2588, 88255), (3235, 70604), (3716, 61465), (4645, 49172), (6470, 35302), (9290, 24586), (12293, 18580), (12940, 17651)]