201211780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{130657}}^1$

素因数の和:130684

約数の個数: 48

約数和(自身を含む): 526813056

約数和(自身を除く): 325601276

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, 770, 1540, 130657, 261314, 522628, 653285, 914599, 1306570, 1437227, 1829198, 2613140, 2874454, 3658396, 4572995, 5748908, 7186135, 9145990, 10060589, 14372270, 18291980, 20121178, 28744540, 40242356, 50302945, 100605890, 201211780]

約数ペア:

[(1, 201211780), (2, 100605890), (4, 50302945), (5, 40242356), (7, 28744540), (10, 20121178), (11, 18291980), (14, 14372270), (20, 10060589), (22, 9145990), (28, 7186135), (35, 5748908), (44, 4572995), (55, 3658396), (70, 2874454), (77, 2613140), (110, 1829198), (140, 1437227), (154, 1306570), (220, 914599), (308, 653285), (385, 522628), (770, 261314), (1540, 130657)]