71710100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 198320640

約数和(自身を除く): 126610540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 67, 70, 77, 100, 110, 134, 139, 140, 154, 175, 220, 268, 275, 278, 308, 335, 350, 385, 469, 550, 556, 670, 695, 700, 737, 770, 938, 973, 1100, 1340, 1390, 1474, 1529, 1540, 1675, 1876, 1925, 1946, 2345, 2780, 2948, 3058, 3350, 3475, 3685, 3850, 3892, 4690, 4865, 5159, 6116, 6700, 6950, 7370, 7645, 7700, 9313, 9380, 9730, 10318, 10703, 11725, 13900, 14740, 15290, 18425, 18626, 19460, 20636, 21406, 23450, 24325, 25795, 30580, 36850, 37252, 38225, 42812, 46565, 46900, 48650, 51590, 53515, 65191, 73700, 76450, 93130, 97300, 102443, 103180, 107030, 128975, 130382, 152900, 186260, 204886, 214060, 232825, 257950, 260764, 267575, 325955, 409772, 465650, 512215, 515900, 535150, 651910, 717101, 931300, 1024430, 1070300, 1303820, 1434202, 1629775, 2048860, 2561075, 2868404, 3259550, 3585505, 5122150, 6519100, 7171010, 10244300, 14342020, 17927525, 35855050, 71710100]

約数ペア:

[(1, 71710100), (2, 35855050), (4, 17927525), (5, 14342020), (7, 10244300), (10, 7171010), (11, 6519100), (14, 5122150), (20, 3585505), (22, 3259550), (25, 2868404), (28, 2561075), (35, 2048860), (44, 1629775), (50, 1434202), (55, 1303820), (67, 1070300), (70, 1024430), (77, 931300), (100, 717101), (110, 651910), (134, 535150), (139, 515900), (140, 512215), (154, 465650), (175, 409772), (220, 325955), (268, 267575), (275, 260764), (278, 257950), (308, 232825), (335, 214060), (350, 204886), (385, 186260), (469, 152900), (550, 130382), (556, 128975), (670, 107030), (695, 103180), (700, 102443), (737, 97300), (770, 93130), (938, 76450), (973, 73700), (1100, 65191), (1340, 53515), (1390, 51590), (1474, 48650), (1529, 46900), (1540, 46565), (1675, 42812), (1876, 38225), (1925, 37252), (1946, 36850), (2345, 30580), (2780, 25795), (2948, 24325), (3058, 23450), (3350, 21406), (3475, 20636), (3685, 19460), (3850, 18626), (3892, 18425), (4690, 15290), (4865, 14740), (5159, 13900), (6116, 11725), (6700, 10703), (6950, 10318), (7370, 9730), (7645, 9380), (7700, 9313)]