1238789360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7477}}^1$

素因数の和:7618

約数の個数: 80

約数和(自身を含む): 3059997600

約数和(自身を除く): 1821208240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 436, 545, 760, 872, 1090, 1520, 1744, 2071, 2180, 4142, 4360, 7477, 8284, 8720, 10355, 14954, 16568, 20710, 29908, 33136, 37385, 41420, 59816, 74770, 82840, 119632, 142063, 149540, 165680, 284126, 299080, 568252, 598160, 710315, 814993, 1136504, 1420630, 1629986, 2273008, 2841260, 3259972, 4074965, 5682520, 6519944, 8149930, 11365040, 13039888, 15484867, 16299860, 30969734, 32599720, 61939468, 65199440, 77424335, 123878936, 154848670, 247757872, 309697340, 619394680, 1238789360]

約数ペア:

[(1, 1238789360), (2, 619394680), (4, 309697340), (5, 247757872), (8, 154848670), (10, 123878936), (16, 77424335), (19, 65199440), (20, 61939468), (38, 32599720), (40, 30969734), (76, 16299860), (80, 15484867), (95, 13039888), (109, 11365040), (152, 8149930), (190, 6519944), (218, 5682520), (304, 4074965), (380, 3259972), (436, 2841260), (545, 2273008), (760, 1629986), (872, 1420630), (1090, 1136504), (1520, 814993), (1744, 710315), (2071, 598160), (2180, 568252), (4142, 299080), (4360, 284126), (7477, 165680), (8284, 149540), (8720, 142063), (10355, 119632), (14954, 82840), (16568, 74770), (20710, 59816), (29908, 41420), (33136, 37385)]