207552020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5743}}^1$

素因数の和:5904

約数の個数: 48

約数和(自身を含む): 472846080

約数和(自身を除く): 265294060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 5743, 7228, 9035, 11486, 18070, 22972, 28715, 36140, 57430, 74659, 114860, 149318, 298636, 373295, 746590, 798277, 1493180, 1596554, 3193108, 3991385, 7982770, 10377601, 15965540, 20755202, 41510404, 51888005, 103776010, 207552020]

約数ペア:

[(1, 207552020), (2, 103776010), (4, 51888005), (5, 41510404), (10, 20755202), (13, 15965540), (20, 10377601), (26, 7982770), (52, 3991385), (65, 3193108), (130, 1596554), (139, 1493180), (260, 798277), (278, 746590), (556, 373295), (695, 298636), (1390, 149318), (1807, 114860), (2780, 74659), (3614, 57430), (5743, 36140), (7228, 28715), (9035, 22972), (11486, 18070)]