142748720

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7109}}^1$

素因数の和:7373

約数の個数: 40

約数和(自身を含む): 333259920

約数和(自身を除く): 190511200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 7109, 10040, 14218, 20080, 28436, 35545, 56872, 71090, 113744, 142180, 284360, 568720, 1784359, 3568718, 7137436, 8921795, 14274872, 17843590, 28549744, 35687180, 71374360, 142748720]

約数ペア:

[(1, 142748720), (2, 71374360), (4, 35687180), (5, 28549744), (8, 17843590), (10, 14274872), (16, 8921795), (20, 7137436), (40, 3568718), (80, 1784359), (251, 568720), (502, 284360), (1004, 142180), (1255, 113744), (2008, 71090), (2510, 56872), (4016, 35545), (5020, 28436), (7109, 20080), (10040, 14218)]