153958900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{81031}}^1$

素因数の和:81064

約数の個数: 36

約数和(自身を含む): 351678880

約数和(自身を除く): 197719980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 81031, 162062, 324124, 405155, 810310, 1539589, 1620620, 2025775, 3079178, 4051550, 6158356, 7697945, 8103100, 15395890, 30791780, 38489725, 76979450, 153958900]

約数ペア:

[(1, 153958900), (2, 76979450), (4, 38489725), (5, 30791780), (10, 15395890), (19, 8103100), (20, 7697945), (25, 6158356), (38, 4051550), (50, 3079178), (76, 2025775), (95, 1620620), (100, 1539589), (190, 810310), (380, 405155), (475, 324124), (950, 162062), (1900, 81031)]