254754990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3643}}^1$

素因数の和:3703

約数の個数: 128

約数和(自身を含む): 797598720

約数和(自身を除く): 542843730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 518, 555, 630, 666, 777, 945, 999, 1110, 1295, 1554, 1665, 1890, 1998, 2331, 2590, 3330, 3643, 3885, 4662, 4995, 6993, 7286, 7770, 9990, 10929, 11655, 13986, 18215, 21858, 23310, 25501, 32787, 34965, 36430, 51002, 54645, 65574, 69930, 76503, 98361, 109290, 127505, 134791, 153006, 163935, 196722, 229509, 255010, 269582, 327870, 382515, 404373, 459018, 491805, 673955, 688527, 765030, 808746, 943537, 983610, 1147545, 1213119, 1347910, 1377054, 1887074, 2021865, 2295090, 2426238, 2830611, 3442635, 3639357, 4043730, 4717685, 5661222, 6065595, 6885270, 7278714, 8491833, 9435370, 12131190, 14153055, 16983666, 18196785, 25475499, 28306110, 36393570, 42459165, 50950998, 84918330, 127377495, 254754990]

約数ペア:

[(1, 254754990), (2, 127377495), (3, 84918330), (5, 50950998), (6, 42459165), (7, 36393570), (9, 28306110), (10, 25475499), (14, 18196785), (15, 16983666), (18, 14153055), (21, 12131190), (27, 9435370), (30, 8491833), (35, 7278714), (37, 6885270), (42, 6065595), (45, 5661222), (54, 4717685), (63, 4043730), (70, 3639357), (74, 3442635), (90, 2830611), (105, 2426238), (111, 2295090), (126, 2021865), (135, 1887074), (185, 1377054), (189, 1347910), (210, 1213119), (222, 1147545), (259, 983610), (270, 943537), (315, 808746), (333, 765030), (370, 688527), (378, 673955), (518, 491805), (555, 459018), (630, 404373), (666, 382515), (777, 327870), (945, 269582), (999, 255010), (1110, 229509), (1295, 196722), (1554, 163935), (1665, 153006), (1890, 134791), (1998, 127505), (2331, 109290), (2590, 98361), (3330, 76503), (3643, 69930), (3885, 65574), (4662, 54645), (4995, 51002), (6993, 36430), (7286, 34965), (7770, 32787), (9990, 25501), (10929, 23310), (11655, 21858), (13986, 18215)]