390496540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{10369}}^1$

素因数の和:10654

約数の個数: 48

約数和(自身を含む): 940766400

約数和(自身を除く): 550269860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2690, 3766, 5380, 7532, 9415, 10369, 18830, 20738, 37660, 41476, 51845, 72583, 103690, 145166, 207380, 290332, 362915, 725830, 1451660, 2789261, 5578522, 11157044, 13946305, 19524827, 27892610, 39049654, 55785220, 78099308, 97624135, 195248270, 390496540]

約数ペア:

[(1, 390496540), (2, 195248270), (4, 97624135), (5, 78099308), (7, 55785220), (10, 39049654), (14, 27892610), (20, 19524827), (28, 13946305), (35, 11157044), (70, 5578522), (140, 2789261), (269, 1451660), (538, 725830), (1076, 362915), (1345, 290332), (1883, 207380), (2690, 145166), (3766, 103690), (5380, 72583), (7532, 51845), (9415, 41476), (10369, 37660), (18830, 20738)]