870852020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{4327}}^1$

素因数の和:4712

約数の個数: 48

約数和(自身を含む): 1897741440

約数和(自身を除く): 1026889420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 347, 580, 694, 1388, 1735, 3470, 4327, 6940, 8654, 10063, 17308, 20126, 21635, 40252, 43270, 50315, 86540, 100630, 125483, 201260, 250966, 501932, 627415, 1254830, 1501469, 2509660, 3002938, 6005876, 7507345, 15014690, 30029380, 43542601, 87085202, 174170404, 217713005, 435426010, 870852020]

約数ペア:

[(1, 870852020), (2, 435426010), (4, 217713005), (5, 174170404), (10, 87085202), (20, 43542601), (29, 30029380), (58, 15014690), (116, 7507345), (145, 6005876), (290, 3002938), (347, 2509660), (580, 1501469), (694, 1254830), (1388, 627415), (1735, 501932), (3470, 250966), (4327, 201260), (6940, 125483), (8654, 100630), (10063, 86540), (17308, 50315), (20126, 43270), (21635, 40252)]