245279968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{709}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 509922000

約数和(自身を除く): 264642032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 569, 608, 709, 1138, 1418, 2276, 2836, 4552, 5672, 9104, 10811, 11344, 13471, 18208, 21622, 22688, 26942, 43244, 53884, 86488, 107768, 172976, 215536, 345952, 403421, 431072, 806842, 1613684, 3227368, 6454736, 7664999, 12909472, 15329998, 30659996, 61319992, 122639984, 245279968]

約数ペア:

[(1, 245279968), (2, 122639984), (4, 61319992), (8, 30659996), (16, 15329998), (19, 12909472), (32, 7664999), (38, 6454736), (76, 3227368), (152, 1613684), (304, 806842), (569, 431072), (608, 403421), (709, 345952), (1138, 215536), (1418, 172976), (2276, 107768), (2836, 86488), (4552, 53884), (5672, 43244), (9104, 26942), (10811, 22688), (11344, 21622), (13471, 18208)]