28098850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 28772510

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 278, 311, 325, 622, 650, 695, 1390, 1555, 1807, 3110, 3475, 3614, 4043, 6950, 7775, 8086, 9035, 15550, 18070, 20215, 40430, 43229, 45175, 86458, 90350, 101075, 202150, 216145, 432290, 561977, 1080725, 1123954, 2161450, 2809885, 5619770, 14049425, 28098850]

約数ペア:

[(1, 28098850), (2, 14049425), (5, 5619770), (10, 2809885), (13, 2161450), (25, 1123954), (26, 1080725), (50, 561977), (65, 432290), (130, 216145), (139, 202150), (278, 101075), (311, 90350), (325, 86458), (622, 45175), (650, 43229), (695, 40430), (1390, 20215), (1555, 18070), (1807, 15550), (3110, 9035), (3475, 8086), (3614, 7775), (4043, 6950)]