209900448

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 636854400

約数和(自身を除く): 426953952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 89, 96, 114, 144, 152, 171, 178, 228, 267, 288, 304, 342, 356, 431, 456, 534, 608, 684, 712, 801, 862, 912, 1068, 1293, 1368, 1424, 1602, 1691, 1724, 1824, 2136, 2586, 2736, 2848, 3204, 3382, 3448, 3879, 4272, 5073, 5172, 5472, 6408, 6764, 6896, 7758, 8189, 8544, 10146, 10344, 12816, 13528, 13792, 15219, 15516, 16378, 20292, 20688, 24567, 25632, 27056, 30438, 31032, 32756, 38359, 40584, 41376, 49134, 54112, 60876, 62064, 65512, 73701, 76718, 81168, 98268, 115077, 121752, 124128, 131024, 147402, 153436, 162336, 196536, 230154, 243504, 262048, 294804, 306872, 345231, 393072, 460308, 487008, 589608, 613744, 690462, 728821, 786144, 920616, 1179216, 1227488, 1380924, 1457642, 1841232, 2186463, 2358432, 2761848, 2915284, 3682464, 4372926, 5523696, 5830568, 6559389, 8745852, 11047392, 11661136, 13118778, 17491704, 23322272, 26237556, 34983408, 52475112, 69966816, 104950224, 209900448]

約数ペア:

[(1, 209900448), (2, 104950224), (3, 69966816), (4, 52475112), (6, 34983408), (8, 26237556), (9, 23322272), (12, 17491704), (16, 13118778), (18, 11661136), (19, 11047392), (24, 8745852), (32, 6559389), (36, 5830568), (38, 5523696), (48, 4372926), (57, 3682464), (72, 2915284), (76, 2761848), (89, 2358432), (96, 2186463), (114, 1841232), (144, 1457642), (152, 1380924), (171, 1227488), (178, 1179216), (228, 920616), (267, 786144), (288, 728821), (304, 690462), (342, 613744), (356, 589608), (431, 487008), (456, 460308), (534, 393072), (608, 345231), (684, 306872), (712, 294804), (801, 262048), (862, 243504), (912, 230154), (1068, 196536), (1293, 162336), (1368, 153436), (1424, 147402), (1602, 131024), (1691, 124128), (1724, 121752), (1824, 115077), (2136, 98268), (2586, 81168), (2736, 76718), (2848, 73701), (3204, 65512), (3382, 62064), (3448, 60876), (3879, 54112), (4272, 49134), (5073, 41376), (5172, 40584), (5472, 38359), (6408, 32756), (6764, 31032), (6896, 30438), (7758, 27056), (8189, 25632), (8544, 24567), (10146, 20688), (10344, 20292), (12816, 16378), (13528, 15516), (13792, 15219)]