200809580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 431645760

約数和(自身を除く): 230836180

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 389, 487, 530, 778, 974, 1060, 1556, 1945, 1948, 2435, 3890, 4870, 7780, 9740, 20617, 25811, 41234, 51622, 82468, 103085, 103244, 129055, 189443, 206170, 258110, 378886, 412340, 516220, 757772, 947215, 1894430, 3788860, 10040479, 20080958, 40161916, 50202395, 100404790, 200809580]

約数ペア:

[(1, 200809580), (2, 100404790), (4, 50202395), (5, 40161916), (10, 20080958), (20, 10040479), (53, 3788860), (106, 1894430), (212, 947215), (265, 757772), (389, 516220), (487, 412340), (530, 378886), (778, 258110), (974, 206170), (1060, 189443), (1556, 129055), (1945, 103244), (1948, 103085), (2435, 82468), (3890, 51622), (4870, 41234), (7780, 25811), (9740, 20617)]