856552260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331997}}^1$

素因数の和:332052

約数の個数: 48

約数和(自身を含む): 2454129216

約数和(自身を除く): 1597576956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 331997, 663994, 995991, 1327988, 1659985, 1991982, 3319970, 3983964, 4979955, 6639940, 9959910, 14275871, 19919820, 28551742, 42827613, 57103484, 71379355, 85655226, 142758710, 171310452, 214138065, 285517420, 428276130, 856552260]

約数ペア:

[(1, 856552260), (2, 428276130), (3, 285517420), (4, 214138065), (5, 171310452), (6, 142758710), (10, 85655226), (12, 71379355), (15, 57103484), (20, 42827613), (30, 28551742), (43, 19919820), (60, 14275871), (86, 9959910), (129, 6639940), (172, 4979955), (215, 3983964), (258, 3319970), (430, 1991982), (516, 1659985), (645, 1327988), (860, 995991), (1290, 663994), (2580, 331997)]