138217362820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{710483}}^1$

素因数の和:710700

約数の個数: 48

約数和(自身を含む): 296493499008

約数和(自身を除く): 158276136188

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 548, 685, 710, 1370, 1420, 2740, 9727, 19454, 38908, 48635, 97270, 194540, 710483, 1420966, 2841932, 3552415, 7104830, 14209660, 50444293, 97336171, 100888586, 194672342, 201777172, 252221465, 389344684, 486680855, 504442930, 973361710, 1008885860, 1946723420, 6910868141, 13821736282, 27643472564, 34554340705, 69108681410, 138217362820]

約数ペア:

[(1, 138217362820), (2, 69108681410), (4, 34554340705), (5, 27643472564), (10, 13821736282), (20, 6910868141), (71, 1946723420), (137, 1008885860), (142, 973361710), (274, 504442930), (284, 486680855), (355, 389344684), (548, 252221465), (685, 201777172), (710, 194672342), (1370, 100888586), (1420, 97336171), (2740, 50444293), (9727, 14209660), (19454, 7104830), (38908, 3552415), (48635, 2841932), (97270, 1420966), (194540, 710483)]