171057460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17209}}^1$

素因数の和:17296

約数の個数: 48

約数和(自身を含む): 416344320

約数和(自身を除く): 245286860

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, 17209, 34418, 68836, 86045, 120463, 172090, 240926, 344180, 481852, 602315, 1204630, 1221839, 2409260, 2443678, 4887356, 6109195, 8552873, 12218390, 17105746, 24436780, 34211492, 42764365, 85528730, 171057460]

約数ペア:

[(1, 171057460), (2, 85528730), (4, 42764365), (5, 34211492), (7, 24436780), (10, 17105746), (14, 12218390), (20, 8552873), (28, 6109195), (35, 4887356), (70, 2443678), (71, 2409260), (140, 1221839), (142, 1204630), (284, 602315), (355, 481852), (497, 344180), (710, 240926), (994, 172090), (1420, 120463), (1988, 86045), (2485, 68836), (4970, 34418), (9940, 17209)]