2949940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 7459200

約数和(自身を除く): 4509260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1109, 1330, 2218, 2660, 4436, 5545, 7763, 11090, 15526, 21071, 22180, 31052, 38815, 42142, 77630, 84284, 105355, 147497, 155260, 210710, 294994, 421420, 589988, 737485, 1474970, 2949940]

約数ペア:

[(1, 2949940), (2, 1474970), (4, 737485), (5, 589988), (7, 421420), (10, 294994), (14, 210710), (19, 155260), (20, 147497), (28, 105355), (35, 84284), (38, 77630), (70, 42142), (76, 38815), (95, 31052), (133, 22180), (140, 21071), (190, 15526), (266, 11090), (380, 7763), (532, 5545), (665, 4436), (1109, 2660), (1330, 2218)]