207237940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 568149120

約数和(自身を除く): 360911180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 169, 182, 190, 247, 260, 266, 338, 364, 380, 455, 461, 494, 532, 665, 676, 845, 910, 922, 988, 1183, 1235, 1330, 1690, 1729, 1820, 1844, 2305, 2366, 2470, 2660, 3211, 3227, 3380, 3458, 4610, 4732, 4940, 5915, 5993, 6422, 6454, 6916, 8645, 8759, 9220, 11830, 11986, 12844, 12908, 16055, 16135, 17290, 17518, 22477, 23660, 23972, 29965, 32110, 32270, 34580, 35036, 41951, 43795, 44954, 59930, 61313, 64220, 64540, 77909, 83902, 87590, 89908, 112385, 113867, 119860, 122626, 155818, 167804, 175180, 209755, 224770, 227734, 245252, 306565, 311636, 389545, 419510, 449540, 455468, 545363, 569335, 613130, 779090, 797069, 839020, 1090726, 1138670, 1226260, 1480271, 1558180, 1594138, 2181452, 2277340, 2726815, 2960542, 3188276, 3985345, 5453630, 5921084, 7401355, 7970690, 10361897, 10907260, 14802710, 15941380, 20723794, 29605420, 41447588, 51809485, 103618970, 207237940]

約数ペア:

[(1, 207237940), (2, 103618970), (4, 51809485), (5, 41447588), (7, 29605420), (10, 20723794), (13, 15941380), (14, 14802710), (19, 10907260), (20, 10361897), (26, 7970690), (28, 7401355), (35, 5921084), (38, 5453630), (52, 3985345), (65, 3188276), (70, 2960542), (76, 2726815), (91, 2277340), (95, 2181452), (130, 1594138), (133, 1558180), (140, 1480271), (169, 1226260), (182, 1138670), (190, 1090726), (247, 839020), (260, 797069), (266, 779090), (338, 613130), (364, 569335), (380, 545363), (455, 455468), (461, 449540), (494, 419510), (532, 389545), (665, 311636), (676, 306565), (845, 245252), (910, 227734), (922, 224770), (988, 209755), (1183, 175180), (1235, 167804), (1330, 155818), (1690, 122626), (1729, 119860), (1820, 113867), (1844, 112385), (2305, 89908), (2366, 87590), (2470, 83902), (2660, 77909), (3211, 64540), (3227, 64220), (3380, 61313), (3458, 59930), (4610, 44954), (4732, 43795), (4940, 41951), (5915, 35036), (5993, 34580), (6422, 32270), (6454, 32110), (6916, 29965), (8645, 23972), (8759, 23660), (9220, 22477), (11830, 17518), (11986, 17290), (12844, 16135), (12908, 16055)]