137835880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 401990400

約数和(自身を除く): 264154520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1976, 1993, 2470, 2660, 3458, 3640, 3986, 4940, 5320, 6916, 7972, 8645, 9880, 9965, 13832, 13951, 15944, 17290, 19930, 25909, 27902, 34580, 37867, 39860, 51818, 55804, 69160, 69755, 75734, 79720, 103636, 111608, 129545, 139510, 151468, 181363, 189335, 207272, 259090, 265069, 279020, 302936, 362726, 378670, 492271, 518180, 530138, 558040, 725452, 757340, 906815, 984542, 1036360, 1060276, 1325345, 1450904, 1514680, 1813630, 1969084, 2120552, 2461355, 2650690, 3445897, 3627260, 3938168, 4922710, 5301380, 6891794, 7254520, 9845420, 10602760, 13783588, 17229485, 19690840, 27567176, 34458970, 68917940, 137835880]

約数ペア:

[(1, 137835880), (2, 68917940), (4, 34458970), (5, 27567176), (7, 19690840), (8, 17229485), (10, 13783588), (13, 10602760), (14, 9845420), (19, 7254520), (20, 6891794), (26, 5301380), (28, 4922710), (35, 3938168), (38, 3627260), (40, 3445897), (52, 2650690), (56, 2461355), (65, 2120552), (70, 1969084), (76, 1813630), (91, 1514680), (95, 1450904), (104, 1325345), (130, 1060276), (133, 1036360), (140, 984542), (152, 906815), (182, 757340), (190, 725452), (247, 558040), (260, 530138), (266, 518180), (280, 492271), (364, 378670), (380, 362726), (455, 302936), (494, 279020), (520, 265069), (532, 259090), (665, 207272), (728, 189335), (760, 181363), (910, 151468), (988, 139510), (1064, 129545), (1235, 111608), (1330, 103636), (1729, 79720), (1820, 75734), (1976, 69755), (1993, 69160), (2470, 55804), (2660, 51818), (3458, 39860), (3640, 37867), (3986, 34580), (4940, 27902), (5320, 25909), (6916, 19930), (7972, 17290), (8645, 15944), (9880, 13951), (9965, 13832)]