140041720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 393523200

約数和(自身を除く): 253481480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 316, 364, 395, 455, 487, 520, 553, 632, 728, 790, 910, 974, 1027, 1106, 1580, 1820, 1948, 2054, 2212, 2435, 2765, 3160, 3409, 3640, 3896, 4108, 4424, 4870, 5135, 5530, 6331, 6818, 7189, 8216, 9740, 10270, 11060, 12662, 13636, 14378, 17045, 19480, 20540, 22120, 25324, 27272, 28756, 31655, 34090, 35945, 38473, 41080, 44317, 50648, 57512, 63310, 68180, 71890, 76946, 88634, 126620, 136360, 143780, 153892, 177268, 192365, 221585, 253240, 269311, 287560, 307784, 354536, 384730, 443170, 500149, 538622, 769460, 886340, 1000298, 1077244, 1346555, 1538920, 1772680, 2000596, 2154488, 2500745, 2693110, 3501043, 4001192, 5001490, 5386220, 7002086, 10002980, 10772440, 14004172, 17505215, 20005960, 28008344, 35010430, 70020860, 140041720]

約数ペア:

[(1, 140041720), (2, 70020860), (4, 35010430), (5, 28008344), (7, 20005960), (8, 17505215), (10, 14004172), (13, 10772440), (14, 10002980), (20, 7002086), (26, 5386220), (28, 5001490), (35, 4001192), (40, 3501043), (52, 2693110), (56, 2500745), (65, 2154488), (70, 2000596), (79, 1772680), (91, 1538920), (104, 1346555), (130, 1077244), (140, 1000298), (158, 886340), (182, 769460), (260, 538622), (280, 500149), (316, 443170), (364, 384730), (395, 354536), (455, 307784), (487, 287560), (520, 269311), (553, 253240), (632, 221585), (728, 192365), (790, 177268), (910, 153892), (974, 143780), (1027, 136360), (1106, 126620), (1580, 88634), (1820, 76946), (1948, 71890), (2054, 68180), (2212, 63310), (2435, 57512), (2765, 50648), (3160, 44317), (3409, 41080), (3640, 38473), (3896, 35945), (4108, 34090), (4424, 31655), (4870, 28756), (5135, 27272), (5530, 25324), (6331, 22120), (6818, 20540), (7189, 19480), (8216, 17045), (9740, 14378), (10270, 13636), (11060, 12662)]