209851008

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 371793792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 71, 86, 96, 128, 129, 142, 172, 179, 192, 213, 258, 284, 344, 358, 384, 426, 516, 537, 568, 688, 716, 852, 1032, 1074, 1136, 1376, 1432, 1704, 2064, 2148, 2272, 2752, 2864, 3053, 3408, 4128, 4296, 4544, 5504, 5728, 6106, 6816, 7697, 8256, 8592, 9088, 9159, 11456, 12212, 12709, 13632, 15394, 16512, 17184, 18318, 22912, 23091, 24424, 25418, 27264, 30788, 34368, 36636, 38127, 46182, 48848, 50836, 61576, 68736, 73272, 76254, 92364, 97696, 101672, 123152, 146544, 152508, 184728, 195392, 203344, 246304, 293088, 305016, 369456, 390784, 406688, 492608, 546487, 586176, 610032, 738912, 813376, 985216, 1092974, 1172352, 1220064, 1477824, 1626752, 1639461, 2185948, 2440128, 2955648, 3278922, 4371896, 4880256, 6557844, 8743792, 13115688, 17487584, 26231376, 34975168, 52462752, 69950336, 104925504, 209851008]

約数ペア:

[(1, 209851008), (2, 104925504), (3, 69950336), (4, 52462752), (6, 34975168), (8, 26231376), (12, 17487584), (16, 13115688), (24, 8743792), (32, 6557844), (43, 4880256), (48, 4371896), (64, 3278922), (71, 2955648), (86, 2440128), (96, 2185948), (128, 1639461), (129, 1626752), (142, 1477824), (172, 1220064), (179, 1172352), (192, 1092974), (213, 985216), (258, 813376), (284, 738912), (344, 610032), (358, 586176), (384, 546487), (426, 492608), (516, 406688), (537, 390784), (568, 369456), (688, 305016), (716, 293088), (852, 246304), (1032, 203344), (1074, 195392), (1136, 184728), (1376, 152508), (1432, 146544), (1704, 123152), (2064, 101672), (2148, 97696), (2272, 92364), (2752, 76254), (2864, 73272), (3053, 68736), (3408, 61576), (4128, 50836), (4296, 48848), (4544, 46182), (5504, 38127), (5728, 36636), (6106, 34368), (6816, 30788), (7697, 27264), (8256, 25418), (8592, 24424), (9088, 23091), (9159, 22912), (11456, 18318), (12212, 17184), (12709, 16512), (13632, 15394)]