338439640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109883}}^1$

素因数の和:109912

約数の個数: 64

約数和(自身を含む): 949397760

約数和(自身を除く): 610958120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 109883, 219766, 439532, 549415, 769181, 879064, 1098830, 1208713, 1538362, 2197660, 2417426, 3076724, 3845905, 4395320, 4834852, 6043565, 6153448, 7691810, 8460991, 9669704, 12087130, 15383620, 16921982, 24174260, 30767240, 33843964, 42304955, 48348520, 67687928, 84609910, 169219820, 338439640]

約数ペア:

[(1, 338439640), (2, 169219820), (4, 84609910), (5, 67687928), (7, 48348520), (8, 42304955), (10, 33843964), (11, 30767240), (14, 24174260), (20, 16921982), (22, 15383620), (28, 12087130), (35, 9669704), (40, 8460991), (44, 7691810), (55, 6153448), (56, 6043565), (70, 4834852), (77, 4395320), (88, 3845905), (110, 3076724), (140, 2417426), (154, 2197660), (220, 1538362), (280, 1208713), (308, 1098830), (385, 879064), (440, 769181), (616, 549415), (770, 439532), (1540, 219766), (3080, 109883)]