4087990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 7892640

約数和(自身を除く): 3804650

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 173, 278, 346, 695, 865, 1390, 1730, 2363, 2941, 4726, 5882, 11815, 14705, 23630, 24047, 29410, 48094, 120235, 240470, 408799, 817598, 2043995, 4087990]

約数ペア:

[(1, 4087990), (2, 2043995), (5, 817598), (10, 408799), (17, 240470), (34, 120235), (85, 48094), (139, 29410), (170, 24047), (173, 23630), (278, 14705), (346, 11815), (695, 5882), (865, 4726), (1390, 2941), (1730, 2363)]