248579730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{394571}}^1$

素因数の和:394591

約数の個数: 48

約数和(自身を含む): 738638784

約数和(自身を除く): 490059054

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 394571, 789142, 1183713, 1972855, 2367426, 2761997, 3551139, 3945710, 5523994, 5918565, 7102278, 8285991, 11837130, 13809985, 16571982, 17755695, 24857973, 27619970, 35511390, 41429955, 49715946, 82859910, 124289865, 248579730]

約数ペア:

[(1, 248579730), (2, 124289865), (3, 82859910), (5, 49715946), (6, 41429955), (7, 35511390), (9, 27619970), (10, 24857973), (14, 17755695), (15, 16571982), (18, 13809985), (21, 11837130), (30, 8285991), (35, 7102278), (42, 5918565), (45, 5523994), (63, 3945710), (70, 3551139), (90, 2761997), (105, 2367426), (126, 1972855), (210, 1183713), (315, 789142), (630, 394571)]