277565680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 120

約数和(自身を含む): 778959072

約数和(自身を除く): 501393392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 361, 380, 532, 560, 665, 722, 760, 1064, 1330, 1373, 1444, 1520, 1805, 2128, 2527, 2660, 2746, 2888, 3610, 5054, 5320, 5492, 5776, 6865, 7220, 9611, 10108, 10640, 10984, 12635, 13730, 14440, 19222, 20216, 21968, 25270, 26087, 27460, 28880, 38444, 40432, 48055, 50540, 52174, 54920, 76888, 96110, 101080, 104348, 109840, 130435, 153776, 182609, 192220, 202160, 208696, 260870, 365218, 384440, 417392, 495653, 521740, 730436, 768880, 913045, 991306, 1043480, 1460872, 1826090, 1982612, 2086960, 2478265, 2921744, 3469571, 3652180, 3965224, 4956530, 6939142, 7304360, 7930448, 9913060, 13878284, 14608720, 17347855, 19826120, 27756568, 34695710, 39652240, 55513136, 69391420, 138782840, 277565680]

約数ペア:

[(1, 277565680), (2, 138782840), (4, 69391420), (5, 55513136), (7, 39652240), (8, 34695710), (10, 27756568), (14, 19826120), (16, 17347855), (19, 14608720), (20, 13878284), (28, 9913060), (35, 7930448), (38, 7304360), (40, 6939142), (56, 4956530), (70, 3965224), (76, 3652180), (80, 3469571), (95, 2921744), (112, 2478265), (133, 2086960), (140, 1982612), (152, 1826090), (190, 1460872), (266, 1043480), (280, 991306), (304, 913045), (361, 768880), (380, 730436), (532, 521740), (560, 495653), (665, 417392), (722, 384440), (760, 365218), (1064, 260870), (1330, 208696), (1373, 202160), (1444, 192220), (1520, 182609), (1805, 153776), (2128, 130435), (2527, 109840), (2660, 104348), (2746, 101080), (2888, 96110), (3610, 76888), (5054, 54920), (5320, 52174), (5492, 50540), (5776, 48055), (6865, 40432), (7220, 38444), (9611, 28880), (10108, 27460), (10640, 26087), (10984, 25270), (12635, 21968), (13730, 20216), (14440, 19222)]