418732340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{3307}}^1$

素因数の和:3816

約数の個数: 48

約数和(自身を含む): 949210752

約数和(自身を除く): 530478412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1948, 2435, 3307, 4870, 6331, 6614, 9740, 12662, 13228, 16535, 25324, 31655, 33070, 42991, 63310, 66140, 85982, 126620, 171964, 214955, 429910, 859820, 1610509, 3221018, 6442036, 8052545, 16105090, 20936617, 32210180, 41873234, 83746468, 104683085, 209366170, 418732340]

約数ペア:

[(1, 418732340), (2, 209366170), (4, 104683085), (5, 83746468), (10, 41873234), (13, 32210180), (20, 20936617), (26, 16105090), (52, 8052545), (65, 6442036), (130, 3221018), (260, 1610509), (487, 859820), (974, 429910), (1948, 214955), (2435, 171964), (3307, 126620), (4870, 85982), (6331, 66140), (6614, 63310), (9740, 42991), (12662, 33070), (13228, 31655), (16535, 25324)]