139897940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 375379200

約数和(自身を除く): 235481260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 79, 91, 98, 130, 139, 140, 158, 182, 196, 245, 260, 278, 316, 364, 395, 455, 490, 553, 556, 637, 695, 790, 910, 973, 980, 1027, 1106, 1274, 1390, 1580, 1807, 1820, 1946, 2054, 2212, 2548, 2765, 2780, 3185, 3614, 3871, 3892, 4108, 4865, 5135, 5530, 6370, 6811, 7189, 7228, 7742, 9035, 9730, 10270, 10981, 11060, 12649, 12740, 13622, 14378, 15484, 18070, 19355, 19460, 20540, 21962, 25298, 27244, 28756, 34055, 35945, 36140, 38710, 43924, 50323, 50596, 54905, 63245, 68110, 71890, 76867, 77420, 88543, 100646, 109810, 126490, 136220, 142753, 143780, 153734, 177086, 201292, 219620, 251615, 252980, 285506, 307468, 354172, 384335, 442715, 503230, 538069, 571012, 713765, 768670, 885430, 999271, 1006460, 1076138, 1427530, 1537340, 1770860, 1998542, 2152276, 2690345, 2855060, 3997084, 4996355, 5380690, 6994897, 9992710, 10761380, 13989794, 19985420, 27979588, 34974485, 69948970, 139897940]

約数ペア:

[(1, 139897940), (2, 69948970), (4, 34974485), (5, 27979588), (7, 19985420), (10, 13989794), (13, 10761380), (14, 9992710), (20, 6994897), (26, 5380690), (28, 4996355), (35, 3997084), (49, 2855060), (52, 2690345), (65, 2152276), (70, 1998542), (79, 1770860), (91, 1537340), (98, 1427530), (130, 1076138), (139, 1006460), (140, 999271), (158, 885430), (182, 768670), (196, 713765), (245, 571012), (260, 538069), (278, 503230), (316, 442715), (364, 384335), (395, 354172), (455, 307468), (490, 285506), (553, 252980), (556, 251615), (637, 219620), (695, 201292), (790, 177086), (910, 153734), (973, 143780), (980, 142753), (1027, 136220), (1106, 126490), (1274, 109810), (1390, 100646), (1580, 88543), (1807, 77420), (1820, 76867), (1946, 71890), (2054, 68110), (2212, 63245), (2548, 54905), (2765, 50596), (2780, 50323), (3185, 43924), (3614, 38710), (3871, 36140), (3892, 35945), (4108, 34055), (4865, 28756), (5135, 27244), (5530, 25298), (6370, 21962), (6811, 20540), (7189, 19460), (7228, 19355), (7742, 18070), (9035, 15484), (9730, 14378), (10270, 13622), (10981, 12740), (11060, 12649)]