245043344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 619960320

約数和(自身を除く): 374916976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 61, 62, 89, 91, 104, 112, 122, 124, 178, 182, 208, 217, 244, 248, 356, 364, 403, 427, 434, 488, 496, 623, 712, 728, 793, 806, 854, 868, 976, 1157, 1246, 1424, 1456, 1586, 1612, 1708, 1736, 1891, 2314, 2492, 2759, 2821, 3172, 3224, 3416, 3472, 3782, 4628, 4984, 5429, 5518, 5551, 5642, 6344, 6448, 6832, 7564, 8099, 9256, 9968, 10858, 11036, 11102, 11284, 12688, 13237, 15128, 16198, 18512, 19313, 21716, 22072, 22204, 22568, 24583, 26474, 30256, 32396, 35867, 38003, 38626, 43432, 44144, 44408, 45136, 49166, 52948, 64792, 70577, 71734, 76006, 77252, 86864, 88816, 98332, 105896, 129584, 141154, 143468, 152012, 154504, 168299, 172081, 196664, 211792, 251069, 282308, 286936, 304024, 309008, 336598, 344162, 393328, 494039, 502138, 564616, 573872, 608048, 673196, 688324, 988078, 1004276, 1129232, 1178093, 1346392, 1376648, 1976156, 2008552, 2187887, 2356186, 2692784, 2753296, 3952312, 4017104, 4375774, 4712372, 7904624, 8751548, 9424744, 15315209, 17503096, 18849488, 30630418, 35006192, 61260836, 122521672, 245043344]

約数ペア:

[(1, 245043344), (2, 122521672), (4, 61260836), (7, 35006192), (8, 30630418), (13, 18849488), (14, 17503096), (16, 15315209), (26, 9424744), (28, 8751548), (31, 7904624), (52, 4712372), (56, 4375774), (61, 4017104), (62, 3952312), (89, 2753296), (91, 2692784), (104, 2356186), (112, 2187887), (122, 2008552), (124, 1976156), (178, 1376648), (182, 1346392), (208, 1178093), (217, 1129232), (244, 1004276), (248, 988078), (356, 688324), (364, 673196), (403, 608048), (427, 573872), (434, 564616), (488, 502138), (496, 494039), (623, 393328), (712, 344162), (728, 336598), (793, 309008), (806, 304024), (854, 286936), (868, 282308), (976, 251069), (1157, 211792), (1246, 196664), (1424, 172081), (1456, 168299), (1586, 154504), (1612, 152012), (1708, 143468), (1736, 141154), (1891, 129584), (2314, 105896), (2492, 98332), (2759, 88816), (2821, 86864), (3172, 77252), (3224, 76006), (3416, 71734), (3472, 70577), (3782, 64792), (4628, 52948), (4984, 49166), (5429, 45136), (5518, 44408), (5551, 44144), (5642, 43432), (6344, 38626), (6448, 38003), (6832, 35867), (7564, 32396), (8099, 30256), (9256, 26474), (9968, 24583), (10858, 22568), (11036, 22204), (11102, 22072), (11284, 21716), (12688, 19313), (13237, 18512), (15128, 16198)]