248977404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 704471040

約数和(自身を除く): 455493636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 71, 78, 117, 118, 127, 142, 156, 177, 213, 234, 236, 254, 284, 354, 381, 426, 468, 508, 531, 639, 708, 762, 767, 852, 923, 1062, 1143, 1278, 1524, 1534, 1651, 1846, 2124, 2286, 2301, 2556, 2769, 3068, 3302, 3692, 4189, 4572, 4602, 4953, 5538, 6604, 6903, 7493, 8307, 8378, 9017, 9204, 9906, 11076, 12567, 13806, 14859, 14986, 16614, 16756, 18034, 19812, 22479, 25134, 27051, 27612, 29718, 29972, 33228, 36068, 37701, 44958, 50268, 54102, 54457, 59436, 67437, 75402, 81153, 89916, 97409, 108204, 108914, 117221, 134874, 150804, 162306, 163371, 194818, 217828, 234442, 269748, 292227, 324612, 326742, 351663, 389636, 468884, 490113, 532003, 584454, 653484, 703326, 876681, 980226, 1054989, 1064006, 1168908, 1406652, 1596009, 1753362, 1960452, 2109978, 2128012, 3192018, 3506724, 4219956, 4788027, 6384036, 6916039, 9576054, 13832078, 19152108, 20748117, 27664156, 41496234, 62244351, 82992468, 124488702, 248977404]

約数ペア:

[(1, 248977404), (2, 124488702), (3, 82992468), (4, 62244351), (6, 41496234), (9, 27664156), (12, 20748117), (13, 19152108), (18, 13832078), (26, 9576054), (36, 6916039), (39, 6384036), (52, 4788027), (59, 4219956), (71, 3506724), (78, 3192018), (117, 2128012), (118, 2109978), (127, 1960452), (142, 1753362), (156, 1596009), (177, 1406652), (213, 1168908), (234, 1064006), (236, 1054989), (254, 980226), (284, 876681), (354, 703326), (381, 653484), (426, 584454), (468, 532003), (508, 490113), (531, 468884), (639, 389636), (708, 351663), (762, 326742), (767, 324612), (852, 292227), (923, 269748), (1062, 234442), (1143, 217828), (1278, 194818), (1524, 163371), (1534, 162306), (1651, 150804), (1846, 134874), (2124, 117221), (2286, 108914), (2301, 108204), (2556, 97409), (2769, 89916), (3068, 81153), (3302, 75402), (3692, 67437), (4189, 59436), (4572, 54457), (4602, 54102), (4953, 50268), (5538, 44958), (6604, 37701), (6903, 36068), (7493, 33228), (8307, 29972), (8378, 29718), (9017, 27612), (9204, 27051), (9906, 25134), (11076, 22479), (12567, 19812), (13806, 18034), (14859, 16756), (14986, 16614)]