287140420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33623}}^1$

素因数の和:33700

約数の個数: 48

約数和(自身を含む): 700455168

約数和(自身を除く): 413314748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 33623, 67246, 134492, 168115, 235361, 336230, 470722, 672460, 941444, 1176805, 2051003, 2353610, 4102006, 4707220, 8204012, 10255015, 14357021, 20510030, 28714042, 41020060, 57428084, 71785105, 143570210, 287140420]

約数ペア:

[(1, 287140420), (2, 143570210), (4, 71785105), (5, 57428084), (7, 41020060), (10, 28714042), (14, 20510030), (20, 14357021), (28, 10255015), (35, 8204012), (61, 4707220), (70, 4102006), (122, 2353610), (140, 2051003), (244, 1176805), (305, 941444), (427, 672460), (610, 470722), (854, 336230), (1220, 235361), (1708, 168115), (2135, 134492), (4270, 67246), (8540, 33623)]