1401942880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:553

約数の個数: 144

約数和(自身を含む): 3621950640

約数和(自身を除く): 2220007760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 139, 160, 169, 208, 260, 278, 338, 373, 416, 520, 556, 676, 695, 746, 845, 1040, 1112, 1352, 1390, 1492, 1690, 1807, 1865, 2080, 2224, 2704, 2780, 2984, 3380, 3614, 3730, 4448, 4849, 5408, 5560, 5968, 6760, 7228, 7460, 9035, 9698, 11120, 11936, 13520, 14456, 14920, 18070, 19396, 22240, 23491, 24245, 27040, 28912, 29840, 36140, 38792, 46982, 48490, 51847, 57824, 59680, 63037, 72280, 77584, 93964, 96980, 103694, 117455, 126074, 144560, 155168, 187928, 193960, 207388, 234910, 252148, 259235, 289120, 315185, 375856, 387920, 414776, 469820, 504296, 518470, 630370, 674011, 751712, 775840, 829552, 939640, 1008592, 1036940, 1260740, 1348022, 1659104, 1879280, 2017184, 2073880, 2521480, 2696044, 3370055, 3758560, 4147760, 5042960, 5392088, 6740110, 8295520, 8762143, 10085920, 10784176, 13480220, 17524286, 21568352, 26960440, 35048572, 43810715, 53920880, 70097144, 87621430, 107841760, 140194288, 175242860, 280388576, 350485720, 700971440, 1401942880]

約数ペア:

[(1, 1401942880), (2, 700971440), (4, 350485720), (5, 280388576), (8, 175242860), (10, 140194288), (13, 107841760), (16, 87621430), (20, 70097144), (26, 53920880), (32, 43810715), (40, 35048572), (52, 26960440), (65, 21568352), (80, 17524286), (104, 13480220), (130, 10784176), (139, 10085920), (160, 8762143), (169, 8295520), (208, 6740110), (260, 5392088), (278, 5042960), (338, 4147760), (373, 3758560), (416, 3370055), (520, 2696044), (556, 2521480), (676, 2073880), (695, 2017184), (746, 1879280), (845, 1659104), (1040, 1348022), (1112, 1260740), (1352, 1036940), (1390, 1008592), (1492, 939640), (1690, 829552), (1807, 775840), (1865, 751712), (2080, 674011), (2224, 630370), (2704, 518470), (2780, 504296), (2984, 469820), (3380, 414776), (3614, 387920), (3730, 375856), (4448, 315185), (4849, 289120), (5408, 259235), (5560, 252148), (5968, 234910), (6760, 207388), (7228, 193960), (7460, 187928), (9035, 155168), (9698, 144560), (11120, 126074), (11936, 117455), (13520, 103694), (14456, 96980), (14920, 93964), (18070, 77584), (19396, 72280), (22240, 63037), (23491, 59680), (24245, 57824), (27040, 51847), (28912, 48490), (29840, 46982), (36140, 38792)]