913220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{593}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 2395008

約数和(自身を除く): 1481788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 593, 770, 1186, 1540, 2372, 2965, 4151, 5930, 6523, 8302, 11860, 13046, 16604, 20755, 26092, 32615, 41510, 45661, 65230, 83020, 91322, 130460, 182644, 228305, 456610, 913220]

約数ペア:

[(1, 913220), (2, 456610), (4, 228305), (5, 182644), (7, 130460), (10, 91322), (11, 83020), (14, 65230), (20, 45661), (22, 41510), (28, 32615), (35, 26092), (44, 20755), (55, 16604), (70, 13046), (77, 11860), (110, 8302), (140, 6523), (154, 5930), (220, 4151), (308, 2965), (385, 2372), (593, 1540), (770, 1186)]