201992140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3709}}^1$

素因数の和:4114

約数の個数: 48

約数和(自身を含む): 486158400

約数和(自身を除く): 284166260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3709, 3890, 5446, 7418, 7780, 10892, 13615, 14836, 18545, 25963, 27230, 37090, 51926, 54460, 74180, 103852, 129815, 259630, 519260, 1442801, 2885602, 5771204, 7214005, 10099607, 14428010, 20199214, 28856020, 40398428, 50498035, 100996070, 201992140]

約数ペア:

[(1, 201992140), (2, 100996070), (4, 50498035), (5, 40398428), (7, 28856020), (10, 20199214), (14, 14428010), (20, 10099607), (28, 7214005), (35, 5771204), (70, 2885602), (140, 1442801), (389, 519260), (778, 259630), (1556, 129815), (1945, 103852), (2723, 74180), (3709, 54460), (3890, 51926), (5446, 37090), (7418, 27230), (7780, 25963), (10892, 18545), (13615, 14836)]