1921290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{1307}}^1$

素因数の和:1331

約数の個数: 48

約数和(自身を含む): 5368032

約数和(自身を除く): 3446742

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1307, 1470, 2614, 3921, 6535, 7842, 9149, 13070, 18298, 19605, 27447, 39210, 45745, 54894, 64043, 91490, 128086, 137235, 192129, 274470, 320215, 384258, 640430, 960645, 1921290]

約数ペア:

[(1, 1921290), (2, 960645), (3, 640430), (5, 384258), (6, 320215), (7, 274470), (10, 192129), (14, 137235), (15, 128086), (21, 91490), (30, 64043), (35, 54894), (42, 45745), (49, 39210), (70, 27447), (98, 19605), (105, 18298), (147, 13070), (210, 9149), (245, 7842), (294, 6535), (490, 3921), (735, 2614), (1307, 1470)]