71749130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4243}}^1$

素因数の和:4358

約数の個数: 32

約数和(自身を含む): 137505600

約数和(自身を除く): 65756470

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 4243, 8455, 8486, 16910, 21215, 42430, 80617, 161234, 377627, 403085, 755254, 806170, 1888135, 3776270, 7174913, 14349826, 35874565, 71749130]

約数ペア:

[(1, 71749130), (2, 35874565), (5, 14349826), (10, 7174913), (19, 3776270), (38, 1888135), (89, 806170), (95, 755254), (178, 403085), (190, 377627), (445, 161234), (890, 80617), (1691, 42430), (3382, 21215), (4243, 16910), (8455, 8486)]