191252020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{827}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 416199168

約数和(自身を除く): 224947148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 373, 620, 746, 827, 1492, 1654, 1865, 3308, 3730, 4135, 7460, 8270, 11563, 16540, 23126, 25637, 46252, 51274, 57815, 102548, 115630, 128185, 231260, 256370, 308471, 512740, 616942, 1233884, 1542355, 3084710, 6169420, 9562601, 19125202, 38250404, 47813005, 95626010, 191252020]

約数ペア:

[(1, 191252020), (2, 95626010), (4, 47813005), (5, 38250404), (10, 19125202), (20, 9562601), (31, 6169420), (62, 3084710), (124, 1542355), (155, 1233884), (310, 616942), (373, 512740), (620, 308471), (746, 256370), (827, 231260), (1492, 128185), (1654, 115630), (1865, 102548), (3308, 57815), (3730, 51274), (4135, 46252), (7460, 25637), (8270, 23126), (11563, 16540)]