2639444990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2797}}^1$

素因数の和:2902

約数の個数: 128

約数和(自身を含む): 6295097088

約数和(自身を除く): 3655652098

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 61, 65, 70, 85, 91, 119, 122, 130, 170, 182, 221, 238, 305, 427, 442, 455, 595, 610, 793, 854, 910, 1037, 1105, 1190, 1547, 1586, 2074, 2135, 2210, 2797, 3094, 3965, 4270, 5185, 5551, 5594, 7259, 7735, 7930, 10370, 11102, 13481, 13985, 14518, 15470, 19579, 26962, 27755, 27970, 36295, 36361, 39158, 47549, 55510, 67405, 72590, 72722, 94367, 95098, 97895, 134810, 170617, 181805, 188734, 195790, 237745, 254527, 332843, 341234, 363610, 471835, 475490, 509054, 618137, 665686, 853085, 943670, 1194319, 1236274, 1272635, 1664215, 1706170, 2218021, 2388638, 2545270, 2900489, 3090685, 3328430, 4326959, 4436042, 5800978, 5971595, 6181370, 8653918, 11090105, 11943190, 14502445, 15526147, 20303423, 21634795, 22180210, 29004890, 31052294, 37706357, 40606846, 43269590, 75412714, 77630735, 101517115, 155261470, 188531785, 203034230, 263944499, 377063570, 527888998, 1319722495, 2639444990]

約数ペア:

[(1, 2639444990), (2, 1319722495), (5, 527888998), (7, 377063570), (10, 263944499), (13, 203034230), (14, 188531785), (17, 155261470), (26, 101517115), (34, 77630735), (35, 75412714), (61, 43269590), (65, 40606846), (70, 37706357), (85, 31052294), (91, 29004890), (119, 22180210), (122, 21634795), (130, 20303423), (170, 15526147), (182, 14502445), (221, 11943190), (238, 11090105), (305, 8653918), (427, 6181370), (442, 5971595), (455, 5800978), (595, 4436042), (610, 4326959), (793, 3328430), (854, 3090685), (910, 2900489), (1037, 2545270), (1105, 2388638), (1190, 2218021), (1547, 1706170), (1586, 1664215), (2074, 1272635), (2135, 1236274), (2210, 1194319), (2797, 943670), (3094, 853085), (3965, 665686), (4270, 618137), (5185, 509054), (5551, 475490), (5594, 471835), (7259, 363610), (7735, 341234), (7930, 332843), (10370, 254527), (11102, 237745), (13481, 195790), (13985, 188734), (14518, 181805), (15470, 170617), (19579, 134810), (26962, 97895), (27755, 95098), (27970, 94367), (36295, 72722), (36361, 72590), (39158, 67405), (47549, 55510)]