1778059444

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 4095100800

約数和(自身を除く): 2317041356

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 47, 68, 76, 89, 94, 119, 133, 178, 188, 238, 266, 323, 329, 356, 476, 532, 623, 646, 658, 799, 893, 1246, 1292, 1316, 1513, 1598, 1691, 1786, 2209, 2261, 2492, 3026, 3196, 3382, 3572, 4183, 4418, 4522, 5593, 6052, 6251, 6764, 8366, 8836, 9044, 10591, 11186, 11837, 12502, 15181, 15463, 16732, 21182, 22372, 23674, 25004, 28747, 29281, 30362, 30926, 37553, 41971, 42364, 47348, 57494, 58562, 60724, 61852, 71111, 75106, 79477, 83942, 106267, 114988, 117124, 142222, 150212, 158954, 167884, 196601, 201229, 212534, 262871, 284444, 293797, 317908, 393202, 402458, 425068, 497777, 525742, 556339, 587594, 713507, 786404, 804916, 995554, 1051484, 1112678, 1175188, 1351109, 1376207, 1427014, 1991108, 2225356, 2702218, 2752414, 2854028, 3342217, 3735419, 4994549, 5404436, 5504828, 6684434, 7470838, 9457763, 9989098, 13368868, 14941676, 18915526, 19978196, 23395519, 26147933, 37831052, 46791038, 52295866, 63502123, 93582076, 104591732, 127004246, 254008492, 444514861, 889029722, 1778059444]

約数ペア:

[(1, 1778059444), (2, 889029722), (4, 444514861), (7, 254008492), (14, 127004246), (17, 104591732), (19, 93582076), (28, 63502123), (34, 52295866), (38, 46791038), (47, 37831052), (68, 26147933), (76, 23395519), (89, 19978196), (94, 18915526), (119, 14941676), (133, 13368868), (178, 9989098), (188, 9457763), (238, 7470838), (266, 6684434), (323, 5504828), (329, 5404436), (356, 4994549), (476, 3735419), (532, 3342217), (623, 2854028), (646, 2752414), (658, 2702218), (799, 2225356), (893, 1991108), (1246, 1427014), (1292, 1376207), (1316, 1351109), (1513, 1175188), (1598, 1112678), (1691, 1051484), (1786, 995554), (2209, 804916), (2261, 786404), (2492, 713507), (3026, 587594), (3196, 556339), (3382, 525742), (3572, 497777), (4183, 425068), (4418, 402458), (4522, 393202), (5593, 317908), (6052, 293797), (6251, 284444), (6764, 262871), (8366, 212534), (8836, 201229), (9044, 196601), (10591, 167884), (11186, 158954), (11837, 150212), (12502, 142222), (15181, 117124), (15463, 114988), (16732, 106267), (21182, 83942), (22372, 79477), (23674, 75106), (25004, 71111), (28747, 61852), (29281, 60724), (30362, 58562), (30926, 57494), (37553, 47348), (41971, 42364)]