198429880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 507617280

約数和(自身を除く): 309187400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 67, 88, 106, 110, 127, 134, 212, 220, 254, 265, 268, 335, 424, 440, 508, 530, 536, 583, 635, 670, 737, 1016, 1060, 1166, 1270, 1340, 1397, 1474, 2120, 2332, 2540, 2680, 2794, 2915, 2948, 3551, 3685, 4664, 5080, 5588, 5830, 5896, 6731, 6985, 7102, 7370, 8509, 11176, 11660, 13462, 13970, 14204, 14740, 17018, 17755, 23320, 26924, 27940, 28408, 29480, 33655, 34036, 35510, 39061, 42545, 53848, 55880, 67310, 68072, 71020, 74041, 78122, 85090, 93599, 134620, 142040, 148082, 156244, 170180, 187198, 195305, 269240, 296164, 312488, 340360, 370205, 374396, 390610, 450977, 467995, 592328, 740410, 748792, 781220, 901954, 935990, 1480820, 1562440, 1803908, 1871980, 2254885, 2961640, 3607816, 3743960, 4509770, 4960747, 9019540, 9921494, 18039080, 19842988, 24803735, 39685976, 49607470, 99214940, 198429880]

約数ペア:

[(1, 198429880), (2, 99214940), (4, 49607470), (5, 39685976), (8, 24803735), (10, 19842988), (11, 18039080), (20, 9921494), (22, 9019540), (40, 4960747), (44, 4509770), (53, 3743960), (55, 3607816), (67, 2961640), (88, 2254885), (106, 1871980), (110, 1803908), (127, 1562440), (134, 1480820), (212, 935990), (220, 901954), (254, 781220), (265, 748792), (268, 740410), (335, 592328), (424, 467995), (440, 450977), (508, 390610), (530, 374396), (536, 370205), (583, 340360), (635, 312488), (670, 296164), (737, 269240), (1016, 195305), (1060, 187198), (1166, 170180), (1270, 156244), (1340, 148082), (1397, 142040), (1474, 134620), (2120, 93599), (2332, 85090), (2540, 78122), (2680, 74041), (2794, 71020), (2915, 68072), (2948, 67310), (3551, 55880), (3685, 53848), (4664, 42545), (5080, 39061), (5588, 35510), (5830, 34036), (5896, 33655), (6731, 29480), (6985, 28408), (7102, 27940), (7370, 26924), (8509, 23320), (11176, 17755), (11660, 17018), (13462, 14740), (13970, 14204)]