397707950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1447}}^1$

素因数の和:1721

約数の個数: 48

約数和(自身を含む): 775664640

約数和(自身を除く): 377956690

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 239, 478, 575, 1150, 1195, 1447, 2390, 2894, 5497, 5975, 7235, 10994, 11950, 14470, 27485, 33281, 36175, 54970, 66562, 72350, 137425, 166405, 274850, 332810, 345833, 691666, 832025, 1664050, 1729165, 3458330, 7954159, 8645825, 15908318, 17291650, 39770795, 79541590, 198853975, 397707950]

約数ペア:

[(1, 397707950), (2, 198853975), (5, 79541590), (10, 39770795), (23, 17291650), (25, 15908318), (46, 8645825), (50, 7954159), (115, 3458330), (230, 1729165), (239, 1664050), (478, 832025), (575, 691666), (1150, 345833), (1195, 332810), (1447, 274850), (2390, 166405), (2894, 137425), (5497, 72350), (5975, 66562), (7235, 54970), (10994, 36175), (11950, 33281), (14470, 27485)]