289222180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 695439360

約数和(自身を除く): 406217180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 190, 247, 254, 260, 380, 461, 494, 508, 635, 922, 988, 1235, 1270, 1651, 1844, 2305, 2413, 2470, 2540, 3302, 4610, 4826, 4940, 5993, 6604, 8255, 8759, 9220, 9652, 11986, 12065, 16510, 17518, 23972, 24130, 29965, 31369, 33020, 35036, 43795, 48260, 58547, 59930, 62738, 87590, 113867, 117094, 119860, 125476, 156845, 175180, 227734, 234188, 292735, 313690, 455468, 569335, 585470, 627380, 761111, 1112393, 1138670, 1170940, 1522222, 2224786, 2277340, 3044444, 3805555, 4449572, 5561965, 7611110, 11123930, 14461109, 15222220, 22247860, 28922218, 57844436, 72305545, 144611090, 289222180]

約数ペア:

[(1, 289222180), (2, 144611090), (4, 72305545), (5, 57844436), (10, 28922218), (13, 22247860), (19, 15222220), (20, 14461109), (26, 11123930), (38, 7611110), (52, 5561965), (65, 4449572), (76, 3805555), (95, 3044444), (127, 2277340), (130, 2224786), (190, 1522222), (247, 1170940), (254, 1138670), (260, 1112393), (380, 761111), (461, 627380), (494, 585470), (508, 569335), (635, 455468), (922, 313690), (988, 292735), (1235, 234188), (1270, 227734), (1651, 175180), (1844, 156845), (2305, 125476), (2413, 119860), (2470, 117094), (2540, 113867), (3302, 87590), (4610, 62738), (4826, 59930), (4940, 58547), (5993, 48260), (6604, 43795), (8255, 35036), (8759, 33020), (9220, 31369), (9652, 29965), (11986, 24130), (12065, 23972), (16510, 17518)]