353315340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{280409}}^1$

素因数の和:280431

約数の個数: 72

約数和(自身を含む): 1224830880

約数和(自身を除く): 871515540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 280409, 560818, 841227, 1121636, 1402045, 1682454, 1962863, 2523681, 2804090, 3364908, 3925726, 4206135, 5047362, 5608180, 5888589, 7851452, 8412270, 9814315, 10094724, 11777178, 12618405, 16824540, 17665767, 19628630, 23554356, 25236810, 29442945, 35331534, 39257260, 50473620, 58885890, 70663068, 88328835, 117771780, 176657670, 353315340]

約数ペア:

[(1, 353315340), (2, 176657670), (3, 117771780), (4, 88328835), (5, 70663068), (6, 58885890), (7, 50473620), (9, 39257260), (10, 35331534), (12, 29442945), (14, 25236810), (15, 23554356), (18, 19628630), (20, 17665767), (21, 16824540), (28, 12618405), (30, 11777178), (35, 10094724), (36, 9814315), (42, 8412270), (45, 7851452), (60, 5888589), (63, 5608180), (70, 5047362), (84, 4206135), (90, 3925726), (105, 3364908), (126, 2804090), (140, 2523681), (180, 1962863), (210, 1682454), (252, 1402045), (315, 1121636), (420, 841227), (630, 560818), (1260, 280409)]