353780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2$

素因数の和:61

約数の個数: 54

約数和(自身を含む): 912114

約数和(自身を除く): 558334

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 361, 380, 490, 532, 665, 722, 931, 980, 1330, 1444, 1805, 1862, 2527, 2660, 3610, 3724, 4655, 5054, 7220, 9310, 10108, 12635, 17689, 18620, 25270, 35378, 50540, 70756, 88445, 176890, 353780]

約数ペア:

[(1, 353780), (2, 176890), (4, 88445), (5, 70756), (7, 50540), (10, 35378), (14, 25270), (19, 18620), (20, 17689), (28, 12635), (35, 10108), (38, 9310), (49, 7220), (70, 5054), (76, 4655), (95, 3724), (98, 3610), (133, 2660), (140, 2527), (190, 1862), (196, 1805), (245, 1444), (266, 1330), (361, 980), (380, 931), (490, 722), (532, 665)]