142072420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14293}}^1$

素因数の和:14380

約数の個数: 48

約数和(自身を含む): 345800448

約数和(自身を除く): 203728028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 14293, 28586, 57172, 71465, 100051, 142930, 200102, 285860, 400204, 500255, 1000510, 1014803, 2001020, 2029606, 4059212, 5074015, 7103621, 10148030, 14207242, 20296060, 28414484, 35518105, 71036210, 142072420]

約数ペア:

[(1, 142072420), (2, 71036210), (4, 35518105), (5, 28414484), (7, 20296060), (10, 14207242), (14, 10148030), (20, 7103621), (28, 5074015), (35, 4059212), (70, 2029606), (71, 2001020), (140, 1014803), (142, 1000510), (284, 500255), (355, 400204), (497, 285860), (710, 200102), (994, 142930), (1420, 100051), (1988, 71465), (2485, 57172), (4970, 28586), (9940, 14293)]