400704486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 1025934336

約数和(自身を除く): 625229850

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 61, 78, 91, 106, 122, 159, 182, 183, 227, 273, 318, 366, 371, 427, 454, 546, 681, 689, 742, 793, 854, 1113, 1281, 1362, 1378, 1586, 1589, 2067, 2226, 2379, 2562, 2951, 3178, 3233, 4134, 4758, 4767, 4823, 5551, 5902, 6466, 8853, 9534, 9646, 9699, 11102, 12031, 13847, 14469, 16653, 17706, 19398, 20657, 22631, 24062, 27694, 28938, 33306, 36093, 41314, 41541, 42029, 45262, 61971, 67893, 72186, 83082, 84058, 84217, 96929, 123942, 126087, 135786, 156403, 168434, 180011, 193858, 252174, 252651, 290787, 294203, 312806, 360022, 469209, 505302, 540033, 581574, 588406, 733891, 882609, 938418, 1080066, 1094821, 1260077, 1467782, 1765218, 2189642, 2201673, 2520154, 3284463, 3780231, 4403346, 5137237, 6568926, 7560462, 9540583, 10274474, 15411711, 19081166, 28621749, 30823422, 57243498, 66784081, 133568162, 200352243, 400704486]

約数ペア:

[(1, 400704486), (2, 200352243), (3, 133568162), (6, 66784081), (7, 57243498), (13, 30823422), (14, 28621749), (21, 19081166), (26, 15411711), (39, 10274474), (42, 9540583), (53, 7560462), (61, 6568926), (78, 5137237), (91, 4403346), (106, 3780231), (122, 3284463), (159, 2520154), (182, 2201673), (183, 2189642), (227, 1765218), (273, 1467782), (318, 1260077), (366, 1094821), (371, 1080066), (427, 938418), (454, 882609), (546, 733891), (681, 588406), (689, 581574), (742, 540033), (793, 505302), (854, 469209), (1113, 360022), (1281, 312806), (1362, 294203), (1378, 290787), (1586, 252651), (1589, 252174), (2067, 193858), (2226, 180011), (2379, 168434), (2562, 156403), (2951, 135786), (3178, 126087), (3233, 123942), (4134, 96929), (4758, 84217), (4767, 84058), (4823, 83082), (5551, 72186), (5902, 67893), (6466, 61971), (8853, 45262), (9534, 42029), (9646, 41541), (9699, 41314), (11102, 36093), (12031, 33306), (13847, 28938), (14469, 27694), (16653, 24062), (17706, 22631), (19398, 20657)]