209655424

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 128

約数和(自身を含む): 508939200

約数和(自身を除く): 299283776

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 128, 136, 152, 176, 187, 209, 272, 304, 323, 352, 374, 418, 461, 544, 608, 646, 704, 748, 836, 922, 1088, 1216, 1292, 1408, 1496, 1672, 1844, 2176, 2432, 2584, 2992, 3344, 3553, 3688, 5071, 5168, 5984, 6688, 7106, 7376, 7837, 8759, 10142, 10336, 11968, 13376, 14212, 14752, 15674, 17518, 20284, 20672, 23936, 26752, 28424, 29504, 31348, 35036, 40568, 41344, 56848, 59008, 62696, 70072, 81136, 86207, 96349, 113696, 125392, 140144, 148903, 162272, 172414, 192698, 227392, 250784, 280288, 297806, 324544, 344828, 385396, 454784, 501568, 560576, 595612, 649088, 689656, 770792, 1003136, 1121152, 1191224, 1379312, 1541584, 1637933, 2382448, 2758624, 3083168, 3275866, 4764896, 5517248, 6166336, 6551732, 9529792, 11034496, 12332672, 13103464, 19059584, 26206928, 52413856, 104827712, 209655424]

約数ペア:

[(1, 209655424), (2, 104827712), (4, 52413856), (8, 26206928), (11, 19059584), (16, 13103464), (17, 12332672), (19, 11034496), (22, 9529792), (32, 6551732), (34, 6166336), (38, 5517248), (44, 4764896), (64, 3275866), (68, 3083168), (76, 2758624), (88, 2382448), (128, 1637933), (136, 1541584), (152, 1379312), (176, 1191224), (187, 1121152), (209, 1003136), (272, 770792), (304, 689656), (323, 649088), (352, 595612), (374, 560576), (418, 501568), (461, 454784), (544, 385396), (608, 344828), (646, 324544), (704, 297806), (748, 280288), (836, 250784), (922, 227392), (1088, 192698), (1216, 172414), (1292, 162272), (1408, 148903), (1496, 140144), (1672, 125392), (1844, 113696), (2176, 96349), (2432, 86207), (2584, 81136), (2992, 70072), (3344, 62696), (3553, 59008), (3688, 56848), (5071, 41344), (5168, 40568), (5984, 35036), (6688, 31348), (7106, 29504), (7376, 28424), (7837, 26752), (8759, 23936), (10142, 20672), (10336, 20284), (11968, 17518), (13376, 15674), (14212, 14752)]