286844240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115663}}^1$

素因数の和:115707

約数の個数: 40

約数和(自身を含む): 688432128

約数和(自身を除く): 401587888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 115663, 231326, 462652, 578315, 925304, 1156630, 1850608, 2313260, 3585553, 4626520, 7171106, 9253040, 14342212, 17927765, 28684424, 35855530, 57368848, 71711060, 143422120, 286844240]

約数ペア:

[(1, 286844240), (2, 143422120), (4, 71711060), (5, 57368848), (8, 35855530), (10, 28684424), (16, 17927765), (20, 14342212), (31, 9253040), (40, 7171106), (62, 4626520), (80, 3585553), (124, 2313260), (155, 1850608), (248, 1156630), (310, 925304), (496, 578315), (620, 462652), (1240, 231326), (2480, 115663)]