137778320

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7723}}^1$

素因数の和:7959

約数の個数: 40

約数和(自身を含む): 321812736

約数和(自身を除く): 184034416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 7723, 8920, 15446, 17840, 30892, 38615, 61784, 77230, 123568, 154460, 308920, 617840, 1722229, 3444458, 6888916, 8611145, 13777832, 17222290, 27555664, 34444580, 68889160, 137778320]

約数ペア:

[(1, 137778320), (2, 68889160), (4, 34444580), (5, 27555664), (8, 17222290), (10, 13777832), (16, 8611145), (20, 6888916), (40, 3444458), (80, 1722229), (223, 617840), (446, 308920), (892, 154460), (1115, 123568), (1784, 77230), (2230, 61784), (3568, 38615), (4460, 30892), (7723, 17840), (8920, 15446)]