285694220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{9151}}^1$

素因数の和:9390

約数の個数: 48

約数和(自身を含む): 688816128

約数和(自身を除く): 403121908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 7805, 9151, 15610, 18302, 31220, 36604, 45755, 64057, 91510, 128114, 183020, 256228, 320285, 640570, 1281140, 2040673, 4081346, 8162692, 10203365, 14284711, 20406730, 28569422, 40813460, 57138844, 71423555, 142847110, 285694220]

約数ペア:

[(1, 285694220), (2, 142847110), (4, 71423555), (5, 57138844), (7, 40813460), (10, 28569422), (14, 20406730), (20, 14284711), (28, 10203365), (35, 8162692), (70, 4081346), (140, 2040673), (223, 1281140), (446, 640570), (892, 320285), (1115, 256228), (1561, 183020), (2230, 128114), (3122, 91510), (4460, 64057), (6244, 45755), (7805, 36604), (9151, 31220), (15610, 18302)]