1742440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 4608000

約数和(自身を除く): 2865560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 343, 392, 490, 508, 635, 686, 889, 980, 1016, 1270, 1372, 1715, 1778, 1960, 2540, 2744, 3430, 3556, 4445, 5080, 6223, 6860, 7112, 8890, 12446, 13720, 17780, 24892, 31115, 35560, 43561, 49784, 62230, 87122, 124460, 174244, 217805, 248920, 348488, 435610, 871220, 1742440]

約数ペア:

[(1, 1742440), (2, 871220), (4, 435610), (5, 348488), (7, 248920), (8, 217805), (10, 174244), (14, 124460), (20, 87122), (28, 62230), (35, 49784), (40, 43561), (49, 35560), (56, 31115), (70, 24892), (98, 17780), (127, 13720), (140, 12446), (196, 8890), (245, 7112), (254, 6860), (280, 6223), (343, 5080), (392, 4445), (490, 3556), (508, 3430), (635, 2744), (686, 2540), (889, 1960), (980, 1778), (1016, 1715), (1270, 1372)]