140245840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 160

約数和(自身を含む): 401760000

約数和(自身を除く): 261514160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 269, 280, 304, 343, 380, 392, 490, 532, 538, 560, 665, 686, 760, 784, 931, 980, 1064, 1076, 1330, 1345, 1372, 1520, 1715, 1862, 1883, 1960, 2128, 2152, 2660, 2690, 2744, 3430, 3724, 3766, 3920, 4304, 4655, 5111, 5320, 5380, 5488, 6517, 6860, 7448, 7532, 9310, 9415, 10222, 10640, 10760, 13034, 13181, 13720, 14896, 15064, 18620, 18830, 20444, 21520, 25555, 26068, 26362, 27440, 30128, 32585, 35777, 37240, 37660, 40888, 51110, 52136, 52724, 65170, 65905, 71554, 74480, 75320, 81776, 92267, 102220, 104272, 105448, 130340, 131810, 143108, 150640, 178885, 184534, 204440, 210896, 250439, 260680, 263620, 286216, 357770, 369068, 408880, 461335, 500878, 521360, 527240, 572432, 715540, 738136, 922670, 1001756, 1054480, 1252195, 1431080, 1476272, 1753073, 1845340, 2003512, 2504390, 2862160, 3506146, 3690680, 4007024, 5008780, 7012292, 7381360, 8765365, 10017560, 14024584, 17530730, 20035120, 28049168, 35061460, 70122920, 140245840]

約数ペア:

[(1, 140245840), (2, 70122920), (4, 35061460), (5, 28049168), (7, 20035120), (8, 17530730), (10, 14024584), (14, 10017560), (16, 8765365), (19, 7381360), (20, 7012292), (28, 5008780), (35, 4007024), (38, 3690680), (40, 3506146), (49, 2862160), (56, 2504390), (70, 2003512), (76, 1845340), (80, 1753073), (95, 1476272), (98, 1431080), (112, 1252195), (133, 1054480), (140, 1001756), (152, 922670), (190, 738136), (196, 715540), (245, 572432), (266, 527240), (269, 521360), (280, 500878), (304, 461335), (343, 408880), (380, 369068), (392, 357770), (490, 286216), (532, 263620), (538, 260680), (560, 250439), (665, 210896), (686, 204440), (760, 184534), (784, 178885), (931, 150640), (980, 143108), (1064, 131810), (1076, 130340), (1330, 105448), (1345, 104272), (1372, 102220), (1520, 92267), (1715, 81776), (1862, 75320), (1883, 74480), (1960, 71554), (2128, 65905), (2152, 65170), (2660, 52724), (2690, 52136), (2744, 51110), (3430, 40888), (3724, 37660), (3766, 37240), (3920, 35777), (4304, 32585), (4655, 30128), (5111, 27440), (5320, 26362), (5380, 26068), (5488, 25555), (6517, 21520), (6860, 20444), (7448, 18830), (7532, 18620), (9310, 15064), (9415, 14896), (10222, 13720), (10640, 13181), (10760, 13034)]