28221650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 56276160

約数和(自身を除く): 28054510

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 487, 610, 950, 974, 1159, 1525, 2318, 2435, 3050, 4870, 5795, 9253, 11590, 12175, 18506, 24350, 28975, 29707, 46265, 57950, 59414, 92530, 148535, 231325, 297070, 462650, 564433, 742675, 1128866, 1485350, 2822165, 5644330, 14110825, 28221650]

約数ペア:

[(1, 28221650), (2, 14110825), (5, 5644330), (10, 2822165), (19, 1485350), (25, 1128866), (38, 742675), (50, 564433), (61, 462650), (95, 297070), (122, 231325), (190, 148535), (305, 92530), (475, 59414), (487, 57950), (610, 46265), (950, 29707), (974, 28975), (1159, 24350), (1525, 18506), (2318, 12175), (2435, 11590), (3050, 9253), (4870, 5795)]