253171940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 623261184

約数和(自身を除く): 370089244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 103, 140, 181, 194, 206, 362, 388, 412, 485, 515, 679, 721, 724, 905, 970, 1030, 1267, 1358, 1442, 1810, 1940, 2060, 2534, 2716, 2884, 3395, 3605, 3620, 5068, 6335, 6790, 7210, 9991, 12670, 13580, 14420, 17557, 18643, 19982, 25340, 35114, 37286, 39964, 49955, 69937, 70228, 74572, 87785, 93215, 99910, 122899, 130501, 139874, 175570, 186430, 199820, 245798, 261002, 279748, 349685, 351140, 372860, 491596, 522004, 614495, 652505, 699370, 1228990, 1305010, 1398740, 1808371, 2457980, 2610020, 3616742, 7233484, 9041855, 12658597, 18083710, 25317194, 36167420, 50634388, 63292985, 126585970, 253171940]

約数ペア:

[(1, 253171940), (2, 126585970), (4, 63292985), (5, 50634388), (7, 36167420), (10, 25317194), (14, 18083710), (20, 12658597), (28, 9041855), (35, 7233484), (70, 3616742), (97, 2610020), (103, 2457980), (140, 1808371), (181, 1398740), (194, 1305010), (206, 1228990), (362, 699370), (388, 652505), (412, 614495), (485, 522004), (515, 491596), (679, 372860), (721, 351140), (724, 349685), (905, 279748), (970, 261002), (1030, 245798), (1267, 199820), (1358, 186430), (1442, 175570), (1810, 139874), (1940, 130501), (2060, 122899), (2534, 99910), (2716, 93215), (2884, 87785), (3395, 74572), (3605, 70228), (3620, 69937), (5068, 49955), (6335, 39964), (6790, 37286), (7210, 35114), (9991, 25340), (12670, 19982), (13580, 18643), (14420, 17557)]