211911040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1032

約数の個数: 128

約数和(自身を含む): 571069440

約数和(自身を除く): 359158400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 971, 992, 1240, 1364, 1408, 1705, 1760, 1942, 1984, 2480, 2728, 3410, 3520, 3884, 3968, 4855, 4960, 5456, 6820, 7040, 7768, 9710, 9920, 10681, 10912, 13640, 15536, 19420, 19840, 21362, 21824, 27280, 30101, 31072, 38840, 42724, 43648, 53405, 54560, 60202, 62144, 77680, 85448, 106810, 109120, 120404, 124288, 150505, 155360, 170896, 213620, 218240, 240808, 301010, 310720, 331111, 341792, 427240, 481616, 602020, 621440, 662222, 683584, 854480, 963232, 1204040, 1324444, 1367168, 1655555, 1708960, 1926464, 2408080, 2648888, 3311110, 3417920, 3852928, 4816160, 5297776, 6622220, 6835840, 9632320, 10595552, 13244440, 19264640, 21191104, 26488880, 42382208, 52977760, 105955520, 211911040]

約数ペア:

[(1, 211911040), (2, 105955520), (4, 52977760), (5, 42382208), (8, 26488880), (10, 21191104), (11, 19264640), (16, 13244440), (20, 10595552), (22, 9632320), (31, 6835840), (32, 6622220), (40, 5297776), (44, 4816160), (55, 3852928), (62, 3417920), (64, 3311110), (80, 2648888), (88, 2408080), (110, 1926464), (124, 1708960), (128, 1655555), (155, 1367168), (160, 1324444), (176, 1204040), (220, 963232), (248, 854480), (310, 683584), (320, 662222), (341, 621440), (352, 602020), (440, 481616), (496, 427240), (620, 341792), (640, 331111), (682, 310720), (704, 301010), (880, 240808), (971, 218240), (992, 213620), (1240, 170896), (1364, 155360), (1408, 150505), (1705, 124288), (1760, 120404), (1942, 109120), (1984, 106810), (2480, 85448), (2728, 77680), (3410, 62144), (3520, 60202), (3884, 54560), (3968, 53405), (4855, 43648), (4960, 42724), (5456, 38840), (6820, 31072), (7040, 30101), (7768, 27280), (9710, 21824), (9920, 21362), (10681, 19840), (10912, 19420), (13640, 15536)]