489603080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{200657}}^1$

素因数の和:200729

約数の個数: 32

約数和(自身を含む): 1119671640

約数和(自身を除く): 630068560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 200657, 401314, 802628, 1003285, 1605256, 2006570, 4013140, 8026280, 12240077, 24480154, 48960308, 61200385, 97920616, 122400770, 244801540, 489603080]

約数ペア:

[(1, 489603080), (2, 244801540), (4, 122400770), (5, 97920616), (8, 61200385), (10, 48960308), (20, 24480154), (40, 12240077), (61, 8026280), (122, 4013140), (244, 2006570), (305, 1605256), (488, 1003285), (610, 802628), (1220, 401314), (2440, 200657)]