278707884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 868332528

約数和(自身を除く): 589624644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 76, 78, 84, 91, 98, 101, 114, 133, 147, 156, 182, 196, 202, 228, 247, 266, 273, 294, 303, 361, 364, 399, 404, 494, 532, 546, 588, 606, 637, 707, 722, 741, 798, 931, 988, 1083, 1092, 1212, 1274, 1313, 1414, 1444, 1482, 1596, 1729, 1862, 1911, 1919, 2121, 2166, 2527, 2548, 2626, 2793, 2828, 2964, 3458, 3724, 3822, 3838, 3939, 4242, 4332, 4693, 4949, 5054, 5187, 5252, 5586, 5757, 6916, 7581, 7644, 7676, 7878, 8484, 9191, 9386, 9898, 10108, 10374, 11172, 11514, 12103, 13433, 14079, 14847, 15162, 15756, 17689, 18382, 18772, 19796, 20748, 23028, 24206, 24947, 26866, 27573, 28158, 29694, 30324, 32851, 35378, 36309, 36461, 36764, 40299, 48412, 49894, 53067, 53732, 55146, 56316, 59388, 64337, 65702, 70756, 72618, 72922, 74841, 80598, 94031, 98553, 99788, 106134, 109383, 110292, 128674, 131404, 145236, 145844, 149682, 161196, 174629, 188062, 193011, 197106, 212268, 218766, 229957, 255227, 257348, 282093, 299364, 349258, 376124, 386022, 394212, 437532, 459914, 473993, 510454, 523887, 564186, 689871, 698516, 765681, 772044, 919828, 947986, 1020908, 1047774, 1128372, 1222403, 1379742, 1421979, 1531362, 1786589, 1895972, 2095548, 2444806, 2759484, 2843958, 3062724, 3317951, 3573178, 3667209, 4889612, 5359767, 5687916, 6635902, 7146356, 7334418, 9953853, 10719534, 13271804, 14668836, 19907706, 21439068, 23225657, 39815412, 46451314, 69676971, 92902628, 139353942, 278707884]

約数ペア:

[(1, 278707884), (2, 139353942), (3, 92902628), (4, 69676971), (6, 46451314), (7, 39815412), (12, 23225657), (13, 21439068), (14, 19907706), (19, 14668836), (21, 13271804), (26, 10719534), (28, 9953853), (38, 7334418), (39, 7146356), (42, 6635902), (49, 5687916), (52, 5359767), (57, 4889612), (76, 3667209), (78, 3573178), (84, 3317951), (91, 3062724), (98, 2843958), (101, 2759484), (114, 2444806), (133, 2095548), (147, 1895972), (156, 1786589), (182, 1531362), (196, 1421979), (202, 1379742), (228, 1222403), (247, 1128372), (266, 1047774), (273, 1020908), (294, 947986), (303, 919828), (361, 772044), (364, 765681), (399, 698516), (404, 689871), (494, 564186), (532, 523887), (546, 510454), (588, 473993), (606, 459914), (637, 437532), (707, 394212), (722, 386022), (741, 376124), (798, 349258), (931, 299364), (988, 282093), (1083, 257348), (1092, 255227), (1212, 229957), (1274, 218766), (1313, 212268), (1414, 197106), (1444, 193011), (1482, 188062), (1596, 174629), (1729, 161196), (1862, 149682), (1911, 145844), (1919, 145236), (2121, 131404), (2166, 128674), (2527, 110292), (2548, 109383), (2626, 106134), (2793, 99788), (2828, 98553), (2964, 94031), (3458, 80598), (3724, 74841), (3822, 72922), (3838, 72618), (3939, 70756), (4242, 65702), (4332, 64337), (4693, 59388), (4949, 56316), (5054, 55146), (5187, 53732), (5252, 53067), (5586, 49894), (5757, 48412), (6916, 40299), (7581, 36764), (7644, 36461), (7676, 36309), (7878, 35378), (8484, 32851), (9191, 30324), (9386, 29694), (9898, 28158), (10108, 27573), (10374, 26866), (11172, 24947), (11514, 24206), (12103, 23028), (13433, 20748), (14079, 19796), (14847, 18772), (15162, 18382), (15756, 17689)]