286009720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{230653}}^1$

素因数の和:230695

約数の個数: 32

約数和(自身を含む): 664283520

約数和(自身を除く): 378273800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 230653, 461306, 922612, 1153265, 1845224, 2306530, 4613060, 7150243, 9226120, 14300486, 28600972, 35751215, 57201944, 71502430, 143004860, 286009720]

約数ペア:

[(1, 286009720), (2, 143004860), (4, 71502430), (5, 57201944), (8, 35751215), (10, 28600972), (20, 14300486), (31, 9226120), (40, 7150243), (62, 4613060), (124, 2306530), (155, 1845224), (248, 1153265), (310, 922612), (620, 461306), (1240, 230653)]