238913920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3137}}^1$

素因数の和:3180

約数の個数: 128

約数和(自身を含む): 691364160

約数和(自身を除く): 452450240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3137, 3808, 4480, 4760, 5440, 6274, 7616, 9520, 10880, 12548, 15232, 15685, 19040, 21959, 25096, 31370, 38080, 43918, 50192, 53329, 62740, 76160, 87836, 100384, 106658, 109795, 125480, 175672, 200768, 213316, 219590, 250960, 266645, 351344, 373303, 401536, 426632, 439180, 501920, 533290, 702688, 746606, 853264, 878360, 1003840, 1066580, 1405376, 1493212, 1706528, 1756720, 1866515, 2007680, 2133160, 2810752, 2986424, 3413056, 3513440, 3733030, 4266320, 5972848, 6826112, 7026880, 7466060, 8532640, 11945696, 14053760, 14932120, 17065280, 23891392, 29864240, 34130560, 47782784, 59728480, 119456960, 238913920]

約数ペア:

[(1, 238913920), (2, 119456960), (4, 59728480), (5, 47782784), (7, 34130560), (8, 29864240), (10, 23891392), (14, 17065280), (16, 14932120), (17, 14053760), (20, 11945696), (28, 8532640), (32, 7466060), (34, 7026880), (35, 6826112), (40, 5972848), (56, 4266320), (64, 3733030), (68, 3513440), (70, 3413056), (80, 2986424), (85, 2810752), (112, 2133160), (119, 2007680), (128, 1866515), (136, 1756720), (140, 1706528), (160, 1493212), (170, 1405376), (224, 1066580), (238, 1003840), (272, 878360), (280, 853264), (320, 746606), (340, 702688), (448, 533290), (476, 501920), (544, 439180), (560, 426632), (595, 401536), (640, 373303), (680, 351344), (896, 266645), (952, 250960), (1088, 219590), (1120, 213316), (1190, 200768), (1360, 175672), (1904, 125480), (2176, 109795), (2240, 106658), (2380, 100384), (2720, 87836), (3137, 76160), (3808, 62740), (4480, 53329), (4760, 50192), (5440, 43918), (6274, 38080), (7616, 31370), (9520, 25096), (10880, 21959), (12548, 19040), (15232, 15685)]