210203420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1973}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 505407168

約数和(自身を除く): 295203748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 761, 1522, 1973, 3044, 3805, 3946, 5327, 7610, 7892, 9865, 10654, 13811, 15220, 19730, 21308, 26635, 27622, 39460, 53270, 55244, 69055, 106540, 138110, 276220, 1501453, 3002906, 6005812, 7507265, 10510171, 15014530, 21020342, 30029060, 42040684, 52550855, 105101710, 210203420]

約数ペア:

[(1, 210203420), (2, 105101710), (4, 52550855), (5, 42040684), (7, 30029060), (10, 21020342), (14, 15014530), (20, 10510171), (28, 7507265), (35, 6005812), (70, 3002906), (140, 1501453), (761, 276220), (1522, 138110), (1973, 106540), (3044, 69055), (3805, 55244), (3946, 53270), (5327, 39460), (7610, 27622), (7892, 26635), (9865, 21308), (10654, 19730), (13811, 15220)]