203205940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2053}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 501562152

約数和(自身を除く): 298356212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 980, 1010, 1414, 2020, 2053, 2828, 3535, 4106, 4949, 7070, 8212, 9898, 10265, 14140, 14371, 19796, 20530, 24745, 28742, 41060, 49490, 57484, 71855, 98980, 100597, 143710, 201194, 207353, 287420, 402388, 414706, 502985, 829412, 1005970, 1036765, 1451471, 2011940, 2073530, 2902942, 4147060, 5805884, 7257355, 10160297, 14514710, 20320594, 29029420, 40641188, 50801485, 101602970, 203205940]

約数ペア:

[(1, 203205940), (2, 101602970), (4, 50801485), (5, 40641188), (7, 29029420), (10, 20320594), (14, 14514710), (20, 10160297), (28, 7257355), (35, 5805884), (49, 4147060), (70, 2902942), (98, 2073530), (101, 2011940), (140, 1451471), (196, 1036765), (202, 1005970), (245, 829412), (404, 502985), (490, 414706), (505, 402388), (707, 287420), (980, 207353), (1010, 201194), (1414, 143710), (2020, 100597), (2053, 98980), (2828, 71855), (3535, 57484), (4106, 49490), (4949, 41060), (7070, 28742), (8212, 24745), (9898, 20530), (10265, 19796), (14140, 14371)]