28839860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1823}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 69866496

約数和(自身を除く): 41026636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1823, 2260, 3164, 3646, 3955, 7292, 7910, 9115, 12761, 15820, 18230, 25522, 36460, 51044, 63805, 127610, 205999, 255220, 411998, 823996, 1029995, 1441993, 2059990, 2883986, 4119980, 5767972, 7209965, 14419930, 28839860]

約数ペア:

[(1, 28839860), (2, 14419930), (4, 7209965), (5, 5767972), (7, 4119980), (10, 2883986), (14, 2059990), (20, 1441993), (28, 1029995), (35, 823996), (70, 411998), (113, 255220), (140, 205999), (226, 127610), (452, 63805), (565, 51044), (791, 36460), (1130, 25522), (1582, 18230), (1823, 15820), (2260, 12761), (3164, 9115), (3646, 7910), (3955, 7292)]