397860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 1176000

約数和(自身を除く): 778140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 349, 380, 570, 698, 1047, 1140, 1396, 1745, 2094, 3490, 4188, 5235, 6631, 6980, 10470, 13262, 19893, 20940, 26524, 33155, 39786, 66310, 79572, 99465, 132620, 198930, 397860]

約数ペア:

[(1, 397860), (2, 198930), (3, 132620), (4, 99465), (5, 79572), (6, 66310), (10, 39786), (12, 33155), (15, 26524), (19, 20940), (20, 19893), (30, 13262), (38, 10470), (57, 6980), (60, 6631), (76, 5235), (95, 4188), (114, 3490), (190, 2094), (228, 1745), (285, 1396), (349, 1140), (380, 1047), (570, 698)]