138801460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52181}}^1$

素因数の和:52216

約数の個数: 48

約数和(自身を含む): 350663040

約数和(自身を除く): 211861580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 52181, 104362, 208724, 260905, 365267, 521810, 730534, 991439, 1043620, 1461068, 1826335, 1982878, 3652670, 3965756, 4957195, 6940073, 7305340, 9914390, 13880146, 19828780, 27760292, 34700365, 69400730, 138801460]

約数ペア:

[(1, 138801460), (2, 69400730), (4, 34700365), (5, 27760292), (7, 19828780), (10, 13880146), (14, 9914390), (19, 7305340), (20, 6940073), (28, 4957195), (35, 3965756), (38, 3652670), (70, 1982878), (76, 1826335), (95, 1461068), (133, 1043620), (140, 991439), (190, 730534), (266, 521810), (380, 365267), (532, 260905), (665, 208724), (1330, 104362), (2660, 52181)]