28980100

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{1619}}^1$

素因数の和:1812

約数の個数: 36

約数和(自身を含む): 63277200

約数和(自身を除く): 34297100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1619, 1790, 3238, 3580, 4475, 6476, 8095, 8950, 16190, 17900, 32380, 40475, 80950, 161900, 289801, 579602, 1159204, 1449005, 2898010, 5796020, 7245025, 14490050, 28980100]

約数ペア:

[(1, 28980100), (2, 14490050), (4, 7245025), (5, 5796020), (10, 2898010), (20, 1449005), (25, 1159204), (50, 579602), (100, 289801), (179, 161900), (358, 80950), (716, 40475), (895, 32380), (1619, 17900), (1790, 16190), (3238, 8950), (3580, 8095), (4475, 6476)]