131179580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40739}}^1$

素因数の和:40778

約数の個数: 48

約数和(自身を含む): 328527360

約数和(自身を除く): 197347780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 40739, 81478, 162956, 203695, 285173, 407390, 570346, 814780, 936997, 1140692, 1425865, 1873994, 2851730, 3747988, 4684985, 5703460, 6558979, 9369970, 13117958, 18739940, 26235916, 32794895, 65589790, 131179580]

約数ペア:

[(1, 131179580), (2, 65589790), (4, 32794895), (5, 26235916), (7, 18739940), (10, 13117958), (14, 9369970), (20, 6558979), (23, 5703460), (28, 4684985), (35, 3747988), (46, 2851730), (70, 1873994), (92, 1425865), (115, 1140692), (140, 936997), (161, 814780), (230, 570346), (322, 407390), (460, 285173), (644, 203695), (805, 162956), (1610, 81478), (3220, 40739)]