200988700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2053}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 481375440

約数和(自身を除く): 280386740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 356, 445, 550, 890, 979, 1100, 1780, 1958, 2053, 2225, 3916, 4106, 4450, 4895, 8212, 8900, 9790, 10265, 19580, 20530, 22583, 24475, 41060, 45166, 48950, 51325, 90332, 97900, 102650, 112915, 182717, 205300, 225830, 365434, 451660, 564575, 730868, 913585, 1129150, 1827170, 2009887, 2258300, 3654340, 4019774, 4567925, 8039548, 9135850, 10049435, 18271700, 20098870, 40197740, 50247175, 100494350, 200988700]

約数ペア:

[(1, 200988700), (2, 100494350), (4, 50247175), (5, 40197740), (10, 20098870), (11, 18271700), (20, 10049435), (22, 9135850), (25, 8039548), (44, 4567925), (50, 4019774), (55, 3654340), (89, 2258300), (100, 2009887), (110, 1827170), (178, 1129150), (220, 913585), (275, 730868), (356, 564575), (445, 451660), (550, 365434), (890, 225830), (979, 205300), (1100, 182717), (1780, 112915), (1958, 102650), (2053, 97900), (2225, 90332), (3916, 51325), (4106, 48950), (4450, 45166), (4895, 41060), (8212, 24475), (8900, 22583), (9790, 20530), (10265, 19580)]