247482820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1667}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 561008448

約数和(自身を除く): 313525628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 571, 1142, 1667, 2284, 2855, 3334, 5710, 6668, 7423, 8335, 11420, 14846, 16670, 21671, 29692, 33340, 37115, 43342, 74230, 86684, 108355, 148460, 216710, 433420, 951857, 1903714, 3807428, 4759285, 9518570, 12374141, 19037140, 24748282, 49496564, 61870705, 123741410, 247482820]

約数ペア:

[(1, 247482820), (2, 123741410), (4, 61870705), (5, 49496564), (10, 24748282), (13, 19037140), (20, 12374141), (26, 9518570), (52, 4759285), (65, 3807428), (130, 1903714), (260, 951857), (571, 433420), (1142, 216710), (1667, 148460), (2284, 108355), (2855, 86684), (3334, 74230), (5710, 43342), (6668, 37115), (7423, 33340), (8335, 29692), (11420, 21671), (14846, 16670)]