101616620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10223}}^1$

素因数の和:10310

約数の個数: 48

約数和(自身を含む): 247339008

約数和(自身を除く): 145722388

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, 10223, 20446, 40892, 51115, 71561, 102230, 143122, 204460, 286244, 357805, 715610, 725833, 1431220, 1451666, 2903332, 3629165, 5080831, 7258330, 10161662, 14516660, 20323324, 25404155, 50808310, 101616620]

約数ペア:

[(1, 101616620), (2, 50808310), (4, 25404155), (5, 20323324), (7, 14516660), (10, 10161662), (14, 7258330), (20, 5080831), (28, 3629165), (35, 2903332), (70, 1451666), (71, 1431220), (140, 725833), (142, 715610), (284, 357805), (355, 286244), (497, 204460), (710, 143122), (994, 102230), (1420, 71561), (1988, 51115), (2485, 40892), (4970, 20446), (9940, 10223)]