289781640290

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1\times {\mathrm{1493}}^1$

素因数の和:2507

約数の個数: 64

約数和(自身を含む): 529053845760

約数和(自身を除く): 239272205470

約数列:

[1, 2, 5, 10, 131, 229, 262, 458, 647, 655, 1145, 1294, 1310, 1493, 2290, 2986, 3235, 6470, 7465, 14930, 29999, 59998, 84757, 148163, 149995, 169514, 195583, 296326, 299990, 341897, 391166, 423785, 683794, 740815, 847570, 965971, 977915, 1481630, 1709485, 1931942, 1955830, 3418970, 4829855, 9659710, 19409353, 38818706, 44788507, 89577014, 97046765, 126542201, 194093530, 221207359, 223942535, 253084402, 442414718, 447885070, 632711005, 1106036795, 1265422010, 2212073590, 28978164029, 57956328058, 144890820145, 289781640290]

約数ペア:

[(1, 289781640290), (2, 144890820145), (5, 57956328058), (10, 28978164029), (131, 2212073590), (229, 1265422010), (262, 1106036795), (458, 632711005), (647, 447885070), (655, 442414718), (1145, 253084402), (1294, 223942535), (1310, 221207359), (1493, 194093530), (2290, 126542201), (2986, 97046765), (3235, 89577014), (6470, 44788507), (7465, 38818706), (14930, 19409353), (29999, 9659710), (59998, 4829855), (84757, 3418970), (148163, 1955830), (149995, 1931942), (169514, 1709485), (195583, 1481630), (296326, 977915), (299990, 965971), (341897, 847570), (391166, 740815), (423785, 683794)]