309232070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 649728000

約数和(自身を除く): 340495930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 199, 281, 395, 398, 553, 562, 790, 995, 1106, 1393, 1405, 1967, 1990, 2765, 2786, 2810, 3934, 5530, 6965, 9835, 13930, 15721, 19670, 22199, 31442, 44398, 55919, 78605, 110047, 110995, 111838, 155393, 157210, 220094, 221990, 279595, 310786, 391433, 550235, 559190, 776965, 782866, 1100470, 1553930, 1957165, 3914330, 4417601, 8835202, 22088005, 30923207, 44176010, 61846414, 154616035, 309232070]

約数ペア:

[(1, 309232070), (2, 154616035), (5, 61846414), (7, 44176010), (10, 30923207), (14, 22088005), (35, 8835202), (70, 4417601), (79, 3914330), (158, 1957165), (199, 1553930), (281, 1100470), (395, 782866), (398, 776965), (553, 559190), (562, 550235), (790, 391433), (995, 310786), (1106, 279595), (1393, 221990), (1405, 220094), (1967, 157210), (1990, 155393), (2765, 111838), (2786, 110995), (2810, 110047), (3934, 78605), (5530, 55919), (6965, 44398), (9835, 31442), (13930, 22199), (15721, 19670)]