354986120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2371}}^1$

素因数の和:2598

約数の個数: 64

約数和(自身を含む): 845380800

約数和(自身を除く): 490394680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 760, 788, 985, 1576, 1970, 2371, 3743, 3940, 4742, 7486, 7880, 9484, 11855, 14972, 18715, 18968, 23710, 29944, 37430, 45049, 47420, 74860, 90098, 94840, 149720, 180196, 225245, 360392, 450490, 467087, 900980, 934174, 1801960, 1868348, 2335435, 3736696, 4670870, 8874653, 9341740, 17749306, 18683480, 35498612, 44373265, 70997224, 88746530, 177493060, 354986120]

約数ペア:

[(1, 354986120), (2, 177493060), (4, 88746530), (5, 70997224), (8, 44373265), (10, 35498612), (19, 18683480), (20, 17749306), (38, 9341740), (40, 8874653), (76, 4670870), (95, 3736696), (152, 2335435), (190, 1868348), (197, 1801960), (380, 934174), (394, 900980), (760, 467087), (788, 450490), (985, 360392), (1576, 225245), (1970, 180196), (2371, 149720), (3743, 94840), (3940, 90098), (4742, 74860), (7486, 47420), (7880, 45049), (9484, 37430), (11855, 29944), (14972, 23710), (18715, 18968)]