28981100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4751}}^1$

素因数の和:4826

約数の個数: 36

約数和(自身を含む): 63933408

約数和(自身を除く): 34952308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 4751, 6100, 9502, 19004, 23755, 47510, 95020, 118775, 237550, 289811, 475100, 579622, 1159244, 1449055, 2898110, 5796220, 7245275, 14490550, 28981100]

約数ペア:

[(1, 28981100), (2, 14490550), (4, 7245275), (5, 5796220), (10, 2898110), (20, 1449055), (25, 1159244), (50, 579622), (61, 475100), (100, 289811), (122, 237550), (244, 118775), (305, 95020), (610, 47510), (1220, 23755), (1525, 19004), (3050, 9502), (4751, 6100)]