211372720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{563}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 559557936

約数和(自身を除く): 348185216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 361, 380, 494, 520, 563, 722, 760, 988, 1040, 1126, 1235, 1444, 1520, 1805, 1976, 2252, 2470, 2815, 2888, 3610, 3952, 4504, 4693, 4940, 5630, 5776, 7220, 7319, 9008, 9386, 9880, 10697, 11260, 14440, 14638, 18772, 19760, 21394, 22520, 23465, 28880, 29276, 36595, 37544, 42788, 45040, 46930, 53485, 58552, 73190, 75088, 85576, 93860, 106970, 117104, 139061, 146380, 171152, 187720, 203243, 213940, 278122, 292760, 375440, 406486, 427880, 556244, 585520, 695305, 812972, 855760, 1016215, 1112488, 1390610, 1625944, 2032430, 2224976, 2642159, 2781220, 3251888, 4064860, 5284318, 5562440, 8129720, 10568636, 11124880, 13210795, 16259440, 21137272, 26421590, 42274544, 52843180, 105686360, 211372720]

約数ペア:

[(1, 211372720), (2, 105686360), (4, 52843180), (5, 42274544), (8, 26421590), (10, 21137272), (13, 16259440), (16, 13210795), (19, 11124880), (20, 10568636), (26, 8129720), (38, 5562440), (40, 5284318), (52, 4064860), (65, 3251888), (76, 2781220), (80, 2642159), (95, 2224976), (104, 2032430), (130, 1625944), (152, 1390610), (190, 1112488), (208, 1016215), (247, 855760), (260, 812972), (304, 695305), (361, 585520), (380, 556244), (494, 427880), (520, 406486), (563, 375440), (722, 292760), (760, 278122), (988, 213940), (1040, 203243), (1126, 187720), (1235, 171152), (1444, 146380), (1520, 139061), (1805, 117104), (1976, 106970), (2252, 93860), (2470, 85576), (2815, 75088), (2888, 73190), (3610, 58552), (3952, 53485), (4504, 46930), (4693, 45040), (4940, 42788), (5630, 37544), (5776, 36595), (7220, 29276), (7319, 28880), (9008, 23465), (9386, 22520), (9880, 21394), (10697, 19760), (11260, 18772), (14440, 14638)]