388903970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 921231360

約数和(自身を除く): 532327390

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 83, 91, 95, 130, 133, 166, 182, 190, 247, 266, 271, 415, 455, 494, 542, 581, 665, 830, 910, 1079, 1162, 1235, 1330, 1355, 1577, 1729, 1897, 2158, 2470, 2710, 2905, 3154, 3458, 3523, 3794, 5149, 5395, 5810, 7046, 7553, 7885, 8645, 9485, 10298, 10790, 11039, 15106, 15770, 17290, 17615, 18970, 20501, 22078, 22493, 24661, 25745, 35230, 36043, 37765, 41002, 44986, 49322, 51490, 55195, 66937, 72086, 75530, 102505, 110390, 112465, 123305, 133874, 143507, 157451, 180215, 205010, 224930, 246610, 287014, 292409, 314902, 334685, 360430, 427367, 468559, 584818, 669370, 717535, 787255, 854734, 937118, 1435070, 1462045, 1574510, 2046863, 2136835, 2342795, 2924090, 2991569, 4093726, 4273670, 4685590, 5555771, 5983138, 10234315, 11111542, 14957845, 20468630, 27778855, 29915690, 38890397, 55557710, 77780794, 194451985, 388903970]

約数ペア:

[(1, 388903970), (2, 194451985), (5, 77780794), (7, 55557710), (10, 38890397), (13, 29915690), (14, 27778855), (19, 20468630), (26, 14957845), (35, 11111542), (38, 10234315), (65, 5983138), (70, 5555771), (83, 4685590), (91, 4273670), (95, 4093726), (130, 2991569), (133, 2924090), (166, 2342795), (182, 2136835), (190, 2046863), (247, 1574510), (266, 1462045), (271, 1435070), (415, 937118), (455, 854734), (494, 787255), (542, 717535), (581, 669370), (665, 584818), (830, 468559), (910, 427367), (1079, 360430), (1162, 334685), (1235, 314902), (1330, 292409), (1355, 287014), (1577, 246610), (1729, 224930), (1897, 205010), (2158, 180215), (2470, 157451), (2710, 143507), (2905, 133874), (3154, 123305), (3458, 112465), (3523, 110390), (3794, 102505), (5149, 75530), (5395, 72086), (5810, 66937), (7046, 55195), (7553, 51490), (7885, 49322), (8645, 44986), (9485, 41002), (10298, 37765), (10790, 36043), (11039, 35230), (15106, 25745), (15770, 24661), (17290, 22493), (17615, 22078), (18970, 20501)]