30769970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 39214030

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 154, 178, 385, 445, 449, 623, 770, 890, 898, 979, 1246, 1958, 2245, 3115, 3143, 4490, 4895, 4939, 6230, 6286, 6853, 9790, 9878, 13706, 15715, 24695, 31430, 34265, 34573, 39961, 49390, 68530, 69146, 79922, 172865, 199805, 279727, 345730, 399610, 439571, 559454, 879142, 1398635, 2197855, 2797270, 3076997, 4395710, 6153994, 15384985, 30769970]

約数ペア:

[(1, 30769970), (2, 15384985), (5, 6153994), (7, 4395710), (10, 3076997), (11, 2797270), (14, 2197855), (22, 1398635), (35, 879142), (55, 559454), (70, 439571), (77, 399610), (89, 345730), (110, 279727), (154, 199805), (178, 172865), (385, 79922), (445, 69146), (449, 68530), (623, 49390), (770, 39961), (890, 34573), (898, 34265), (979, 31430), (1246, 24695), (1958, 15715), (2245, 13706), (3115, 9878), (3143, 9790), (4490, 6853), (4895, 6286), (4939, 6230)]