2054023720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 5401440000

約数和(自身を除く): 3347416280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 241, 244, 280, 305, 427, 482, 488, 499, 610, 854, 964, 998, 1205, 1220, 1687, 1708, 1928, 1996, 2135, 2410, 2440, 2495, 3374, 3416, 3493, 3992, 4270, 4820, 4990, 6748, 6986, 8435, 8540, 9640, 9980, 13496, 13972, 14701, 16870, 17080, 17465, 19960, 27944, 29402, 30439, 33740, 34930, 58804, 60878, 67480, 69860, 73505, 102907, 117608, 120259, 121756, 139720, 147010, 152195, 205814, 213073, 240518, 243512, 294020, 304390, 411628, 426146, 481036, 514535, 588040, 601295, 608780, 823256, 841813, 852292, 962072, 1029070, 1065365, 1202590, 1217560, 1683626, 1704584, 2058140, 2130730, 2405180, 3367252, 4116280, 4209065, 4261460, 4810360, 6734504, 7335799, 8418130, 8522920, 14671598, 16836260, 29343196, 33672520, 36678995, 51350593, 58686392, 73357990, 102701186, 146715980, 205402372, 256752965, 293431960, 410804744, 513505930, 1027011860, 2054023720]

約数ペア:

[(1, 2054023720), (2, 1027011860), (4, 513505930), (5, 410804744), (7, 293431960), (8, 256752965), (10, 205402372), (14, 146715980), (20, 102701186), (28, 73357990), (35, 58686392), (40, 51350593), (56, 36678995), (61, 33672520), (70, 29343196), (122, 16836260), (140, 14671598), (241, 8522920), (244, 8418130), (280, 7335799), (305, 6734504), (427, 4810360), (482, 4261460), (488, 4209065), (499, 4116280), (610, 3367252), (854, 2405180), (964, 2130730), (998, 2058140), (1205, 1704584), (1220, 1683626), (1687, 1217560), (1708, 1202590), (1928, 1065365), (1996, 1029070), (2135, 962072), (2410, 852292), (2440, 841813), (2495, 823256), (3374, 608780), (3416, 601295), (3493, 588040), (3992, 514535), (4270, 481036), (4820, 426146), (4990, 411628), (6748, 304390), (6986, 294020), (8435, 243512), (8540, 240518), (9640, 213073), (9980, 205814), (13496, 152195), (13972, 147010), (14701, 139720), (16870, 121756), (17080, 120259), (17465, 117608), (19960, 102907), (27944, 73505), (29402, 69860), (30439, 67480), (33740, 60878), (34930, 58804)]