249490976

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 620585280

約数和(自身を除く): 371094304

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 61, 62, 76, 112, 122, 124, 133, 152, 217, 224, 244, 248, 266, 304, 427, 434, 488, 496, 532, 589, 608, 854, 868, 961, 976, 992, 1064, 1159, 1178, 1708, 1736, 1891, 1922, 1952, 2128, 2318, 2356, 3416, 3472, 3782, 3844, 4123, 4256, 4636, 4712, 6727, 6832, 6944, 7564, 7688, 8113, 8246, 9272, 9424, 13237, 13454, 13664, 15128, 15376, 16226, 16492, 18259, 18544, 18848, 26474, 26908, 30256, 30752, 32452, 32984, 35929, 36518, 37088, 52948, 53816, 58621, 60512, 64904, 65968, 71858, 73036, 105896, 107632, 117242, 127813, 129808, 131936, 143716, 146072, 211792, 215264, 234484, 251503, 255626, 259616, 287432, 292144, 410347, 423584, 468968, 503006, 511252, 574864, 584288, 820694, 937936, 1006012, 1022504, 1113799, 1149728, 1641388, 1875872, 2012024, 2045008, 2227598, 3282776, 4024048, 4090016, 4455196, 6565552, 7796593, 8048096, 8910392, 13131104, 15593186, 17820784, 31186372, 35641568, 62372744, 124745488, 249490976]

約数ペア:

[(1, 249490976), (2, 124745488), (4, 62372744), (7, 35641568), (8, 31186372), (14, 17820784), (16, 15593186), (19, 13131104), (28, 8910392), (31, 8048096), (32, 7796593), (38, 6565552), (56, 4455196), (61, 4090016), (62, 4024048), (76, 3282776), (112, 2227598), (122, 2045008), (124, 2012024), (133, 1875872), (152, 1641388), (217, 1149728), (224, 1113799), (244, 1022504), (248, 1006012), (266, 937936), (304, 820694), (427, 584288), (434, 574864), (488, 511252), (496, 503006), (532, 468968), (589, 423584), (608, 410347), (854, 292144), (868, 287432), (961, 259616), (976, 255626), (992, 251503), (1064, 234484), (1159, 215264), (1178, 211792), (1708, 146072), (1736, 143716), (1891, 131936), (1922, 129808), (1952, 127813), (2128, 117242), (2318, 107632), (2356, 105896), (3416, 73036), (3472, 71858), (3782, 65968), (3844, 64904), (4123, 60512), (4256, 58621), (4636, 53816), (4712, 52948), (6727, 37088), (6832, 36518), (6944, 35929), (7564, 32984), (7688, 32452), (8113, 30752), (8246, 30256), (9272, 26908), (9424, 26474), (13237, 18848), (13454, 18544), (13664, 18259), (15128, 16492), (15376, 16226)]