4142950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 9541800

約数和(自身を除く): 5398850

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 89, 95, 98, 133, 175, 178, 190, 245, 266, 350, 445, 475, 490, 623, 665, 890, 931, 950, 1225, 1246, 1330, 1691, 1862, 2225, 2450, 3115, 3325, 3382, 4361, 4450, 4655, 6230, 6650, 8455, 8722, 9310, 11837, 15575, 16910, 21805, 23275, 23674, 31150, 42275, 43610, 46550, 59185, 82859, 84550, 109025, 118370, 165718, 218050, 295925, 414295, 591850, 828590, 2071475, 4142950]

約数ペア:

[(1, 4142950), (2, 2071475), (5, 828590), (7, 591850), (10, 414295), (14, 295925), (19, 218050), (25, 165718), (35, 118370), (38, 109025), (49, 84550), (50, 82859), (70, 59185), (89, 46550), (95, 43610), (98, 42275), (133, 31150), (175, 23674), (178, 23275), (190, 21805), (245, 16910), (266, 15575), (350, 11837), (445, 9310), (475, 8722), (490, 8455), (623, 6650), (665, 6230), (890, 4655), (931, 4450), (950, 4361), (1225, 3382), (1246, 3325), (1330, 3115), (1691, 2450), (1862, 2225)]