42784180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35069}}^1$

素因数の和:35139

約数の個数: 24

約数和(自身を含む): 91322280

約数和(自身を除く): 48538100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 35069, 70138, 140276, 175345, 350690, 701380, 2139209, 4278418, 8556836, 10696045, 21392090, 42784180]

約数ペア:

[(1, 42784180), (2, 21392090), (4, 10696045), (5, 8556836), (10, 4278418), (20, 2139209), (61, 701380), (122, 350690), (244, 175345), (305, 140276), (610, 70138), (1220, 35069)]