107940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 346752

約数和(自身を除く): 238812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 771, 1028, 1285, 1542, 1799, 2570, 3084, 3598, 3855, 5140, 5397, 7196, 7710, 8995, 10794, 15420, 17990, 21588, 26985, 35980, 53970, 107940]

約数ペア:

[(1, 107940), (2, 53970), (3, 35980), (4, 26985), (5, 21588), (6, 17990), (7, 15420), (10, 10794), (12, 8995), (14, 7710), (15, 7196), (20, 5397), (21, 5140), (28, 3855), (30, 3598), (35, 3084), (42, 2570), (60, 1799), (70, 1542), (84, 1285), (105, 1028), (140, 771), (210, 514), (257, 420)]