213812794940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{17737}}^1$

素因数の和:18027

約数の個数: 96

約数和(自身を含む): 467309170944

約数和(自身を除く): 253496376004

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 131, 172, 214, 215, 262, 428, 430, 524, 535, 655, 860, 1070, 1310, 2140, 2620, 4601, 5633, 9202, 11266, 14017, 17737, 18404, 22532, 23005, 28034, 28165, 35474, 46010, 56068, 56330, 70085, 70948, 88685, 92020, 112660, 140170, 177370, 280340, 354740, 602731, 762691, 1205462, 1525382, 1897859, 2323547, 2410924, 3013655, 3050764, 3795718, 3813455, 4647094, 6027310, 7591436, 7626910, 9294188, 9489295, 11617735, 12054620, 15253820, 18978590, 23235470, 37957180, 46470940, 81607937, 99912521, 163215874, 199825042, 248619529, 326431748, 399650084, 408039685, 497239058, 499562605, 816079370, 994478116, 999125210, 1243097645, 1632158740, 1998250420, 2486195290, 4972390580, 10690639747, 21381279494, 42762558988, 53453198735, 106906397470, 213812794940]

約数ペア:

[(1, 213812794940), (2, 106906397470), (4, 53453198735), (5, 42762558988), (10, 21381279494), (20, 10690639747), (43, 4972390580), (86, 2486195290), (107, 1998250420), (131, 1632158740), (172, 1243097645), (214, 999125210), (215, 994478116), (262, 816079370), (428, 499562605), (430, 497239058), (524, 408039685), (535, 399650084), (655, 326431748), (860, 248619529), (1070, 199825042), (1310, 163215874), (2140, 99912521), (2620, 81607937), (4601, 46470940), (5633, 37957180), (9202, 23235470), (11266, 18978590), (14017, 15253820), (17737, 12054620), (18404, 11617735), (22532, 9489295), (23005, 9294188), (28034, 7626910), (28165, 7591436), (35474, 6027310), (46010, 4647094), (56068, 3813455), (56330, 3795718), (70085, 3050764), (70948, 3013655), (88685, 2410924), (92020, 2323547), (112660, 1897859), (140170, 1525382), (177370, 1205462), (280340, 762691), (354740, 602731)]